Finding the Fourth Proportional to 359,817,629.13, 539,726,521.44 and 129,786,694.65
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Solution
The fourth proportional to 359,817,629.13, 539,726,521.44 and 129,786,694.65 is: 194,680,070.02
Step by Step Solution
- Step 1: Write the proportion equation
359,817,629.13 : 539,726,521.44 = 129,786,694.65 : x - Step 2: Convert to fraction form
359,817,629.13/539,726,521.44 = 129,786,694.65/x - Step 3: Cross multiply
359,817,629.13x = 539,726,521.44 × 129,786,694.65 - Step 4: Simplify right side
359,817,629.13x = 70,049,321,232,639,968 - Step 5: Solve for x
x = 70,049,321,232,639,968/359,817,629.13 - Step 6: Final answer
x = 194,680,070.02
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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.