Finding the Fourth Proportional to 86,308,709,395.68, 129,461,639,782.22 and 25,803,128,578.84
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Solution
The fourth proportional to 86,308,709,395.68, 129,461,639,782.22 and 25,803,128,578.84 is: 38,704,267,051.59
Step by Step Solution
- Step 1: Write the proportion equation
86,308,709,395.68 : 129,461,639,782.22 = 25,803,128,578.84 : x - Step 2: Convert to fraction form
86,308,709,395.68/129,461,639,782.22 = 25,803,128,578.84/x - Step 3: Cross multiply
86,308,709,395.68x = 129,461,639,782.22 × 25,803,128,578.84 - Step 4: Simplify right side
86,308,709,395.68x = 3,340,515,337,328,090,152,960 - Step 5: Solve for x
x = 3,340,515,337,328,090,152,960/86,308,709,395.68 - Step 6: Final answer
x = 38,704,267,051.59
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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.