Finding the Fourth Proportional to 478,641,276.92, 718,036,147.58 and 202,293,654.54
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Solution
The fourth proportional to 478,641,276.92, 718,036,147.58 and 202,293,654.54 is: 303,471,855.42
Step by Step Solution
- Step 1: Write the proportion equation
478,641,276.92 : 718,036,147.58 = 202,293,654.54 : x - Step 2: Convert to fraction form
478,641,276.92/718,036,147.58 = 202,293,654.54/x - Step 3: Cross multiply
478,641,276.92x = 718,036,147.58 × 202,293,654.54 - Step 4: Simplify right side
478,641,276.92x = 145,254,156,384,769,504 - Step 5: Solve for x
x = 145,254,156,384,769,504/478,641,276.92 - Step 6: Final answer
x = 303,471,855.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.