Finding the Fourth Proportional to 526,531,654.09, 726,636,523.18 and 291,582,314.59
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Solution
The fourth proportional to 526,531,654.09, 726,636,523.18 and 291,582,314.59 is: 402,396,242.75
Step by Step Solution
- Step 1: Write the proportion equation
526,531,654.09 : 726,636,523.18 = 291,582,314.59 : x - Step 2: Convert to fraction form
526,531,654.09/726,636,523.18 = 291,582,314.59/x - Step 3: Cross multiply
526,531,654.09x = 726,636,523.18 × 291,582,314.59 - Step 4: Simplify right side
526,531,654.09x = 211,874,359,294,454,560 - Step 5: Solve for x
x = 211,874,359,294,454,560/526,531,654.09 - Step 6: Final answer
x = 402,396,242.75
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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.