Finding the Fourth Proportional to 750,979,329.82, 1,036,331,841.80 and 416,451,004.49
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Solution
The fourth proportional to 750,979,329.82, 1,036,331,841.80 and 416,451,004.49 is: 574,691,498.65
Step by Step Solution
- Step 1: Write the proportion equation
750,979,329.82 : 1,036,331,841.80 = 416,451,004.49 : x - Step 2: Convert to fraction form
750,979,329.82/1,036,331,841.80 = 416,451,004.49/x - Step 3: Cross multiply
750,979,329.82x = 1,036,331,841.80 × 416,451,004.49 - Step 4: Simplify right side
750,979,329.82x = 431,581,436,506,213,760 - Step 5: Solve for x
x = 431,581,436,506,213,760/750,979,329.82 - Step 6: Final answer
x = 574,691,498.65
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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.