Finding the Fourth Proportional to 56,107,417,605,399, 84,102,212,678,946 and 18,877,800,743,967
Calculator
Solution
The fourth proportional to 56,107,417,605,399, 84,102,212,678,946 and 18,877,800,743,967 is: 28,296,879,108,674.27
Step by Step Solution
- Step 1: Write the proportion equation
56,107,417,605,399 : 84,102,212,678,946 = 18,877,800,743,967 : x - Step 2: Convert to fraction form
56,107,417,605,399/84,102,212,678,946 = 18,877,800,743,967/x - Step 3: Cross multiply
56,107,417,605,399x = 84,102,212,678,946 × 18,877,800,743,967 - Step 4: Simplify right side
56,107,417,605,399x = 1,587,664,813,079,877,728,310,657,024 - Step 5: Solve for x
x = 1,587,664,813,079,877,728,310,657,024/56,107,417,605,399 - Step 6: Final answer
x = 28,296,879,108,674.27
Related Problems
Find fourth proportional to 28,053,708,802,699.50, 42,051,106,339,473 and 9,438,900,371,983.50
Half scale
Find fourth proportional to 112,214,835,210,798, 168,204,425,357,892 and 37,755,601,487,934
Double scale
Find fourth proportional to 56,107,417,605,400, 84,102,212,678,947.50 and 18,877,800,743,968
Similar ratio
Find fourth proportional to 84,161,126,408,098.50, 126,153,319,018,419 and 28,316,701,115,950.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.