Finding the Fourth Proportional to 546,984,387.28, 754,809,788.96 and 299,418,320.08
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Solution
The fourth proportional to 546,984,387.28, 754,809,788.96 and 299,418,320.08 is: 413,181,590.27
Step by Step Solution
- Step 1: Write the proportion equation
546,984,387.28 : 754,809,788.96 = 299,418,320.08 : x - Step 2: Convert to fraction form
546,984,387.28/754,809,788.96 = 299,418,320.08/x - Step 3: Cross multiply
546,984,387.28x = 754,809,788.96 × 299,418,320.08 - Step 4: Simplify right side
546,984,387.28x = 226,003,878,990,342,528 - Step 5: Solve for x
x = 226,003,878,990,342,528/546,984,387.28 - Step 6: Final answer
x = 413,181,590.27
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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.