Finding the Fourth Proportional to 981,784,650.53, 1,354,891,566.17 and 535,776,752.99
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Solution
The fourth proportional to 981,784,650.53, 1,354,891,566.17 and 535,776,752.99 is: 739,387,607.64
Step by Step Solution
- Step 1: Write the proportion equation
981,784,650.53 : 1,354,891,566.17 = 535,776,752.99 : x - Step 2: Convert to fraction form
981,784,650.53/1,354,891,566.17 = 535,776,752.99/x - Step 3: Cross multiply
981,784,650.53x = 1,354,891,566.17 × 535,776,752.99 - Step 4: Simplify right side
981,784,650.53x = 725,919,403,976,098,432 - Step 5: Solve for x
x = 725,919,403,976,098,432/981,784,650.53 - Step 6: Final answer
x = 739,387,607.64
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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.