Finding the Fourth Proportional to 278,858,468.88, 418,272,566.00 and 84,754,750.46
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Solution
The fourth proportional to 278,858,468.88, 418,272,566.00 and 84,754,750.46 is: 127,127,524.92
Step by Step Solution
- Step 1: Write the proportion equation
278,858,468.88 : 418,272,566.00 = 84,754,750.46 : x - Step 2: Convert to fraction form
278,858,468.88/418,272,566.00 = 84,754,750.46/x - Step 3: Cross multiply
278,858,468.88x = 418,272,566.00 × 84,754,750.46 - Step 4: Simplify right side
278,858,468.88x = 35,450,586,953,078,744 - Step 5: Solve for x
x = 35,450,586,953,078,744/278,858,468.88 - Step 6: Final answer
x = 127,127,524.92
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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.