Finding the Fourth Proportional to 360,676,335.80, 497,691,352.91 and 201,915,152.28
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Solution
The fourth proportional to 360,676,335.80, 497,691,352.91 and 201,915,152.28 is: 278,619,402.88
Step by Step Solution
- Step 1: Write the proportion equation
360,676,335.80 : 497,691,352.91 = 201,915,152.28 : x - Step 2: Convert to fraction form
360,676,335.80/497,691,352.91 = 201,915,152.28/x - Step 3: Cross multiply
360,676,335.80x = 497,691,352.91 × 201,915,152.28 - Step 4: Simplify right side
360,676,335.80x = 100,491,425,311,766,672 - Step 5: Solve for x
x = 100,491,425,311,766,672/360,676,335.80 - Step 6: Final answer
x = 278,619,402.88
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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.