Finding the Fourth Proportional to 400,541,711.67, 552,740,246.19 and 221,924,948.58
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Solution
The fourth proportional to 400,541,711.67, 552,740,246.19 and 221,924,948.58 is: 306,252,375.57
Step by Step Solution
- Step 1: Write the proportion equation
400,541,711.67 : 552,740,246.19 = 221,924,948.58 : x - Step 2: Convert to fraction form
400,541,711.67/552,740,246.19 = 221,924,948.58/x - Step 3: Cross multiply
400,541,711.67x = 552,740,246.19 × 221,924,948.58 - Step 4: Simplify right side
400,541,711.67x = 122,666,850,713,812,304 - Step 5: Solve for x
x = 122,666,850,713,812,304/400,541,711.67 - Step 6: Final answer
x = 306,252,375.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.