Finding the Fourth Proportional to 548,777,332.80, 756,266,120.10 and 538,690,582.62
Calculator
Solution
The fourth proportional to 548,777,332.80, 756,266,120.10 and 538,690,582.62 is: 742,365,641.77
Step by Step Solution
- Step 1: Write the proportion equation
548,777,332.80 : 756,266,120.10 = 538,690,582.62 : x - Step 2: Convert to fraction form
548,777,332.80/756,266,120.10 = 538,690,582.62/x - Step 3: Cross multiply
548,777,332.80x = 756,266,120.10 × 538,690,582.62 - Step 4: Simplify right side
548,777,332.80x = 407,393,436,852,435,904 - Step 5: Solve for x
x = 407,393,436,852,435,904/548,777,332.80 - Step 6: Final answer
x = 742,365,641.77
Related Problems
Find fourth proportional to 274,388,666.40, 378,133,060.05 and 269,345,291.31
Half scale
Find fourth proportional to 1,097,554,665.60, 1,512,532,240.20 and 1,077,381,165.24
Double scale
Find fourth proportional to 548,777,333.80, 756,266,121.48 and 538,690,583.62
Similar ratio
Find fourth proportional to 823,165,999.20, 1,134,399,180.15 and 808,035,873.93
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.