Finding the Fourth Proportional to 386,969,430.92, 580,703,869.04 and 141,305,497.28
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Solution
The fourth proportional to 386,969,430.92, 580,703,869.04 and 141,305,497.28 is: 212,049,434.48
Step by Step Solution
- Step 1: Write the proportion equation
386,969,430.92 : 580,703,869.04 = 141,305,497.28 : x - Step 2: Convert to fraction form
386,969,430.92/580,703,869.04 = 141,305,497.28/x - Step 3: Cross multiply
386,969,430.92x = 580,703,869.04 × 141,305,497.28 - Step 4: Simplify right side
386,969,430.92x = 82,056,648,987,117,184 - Step 5: Solve for x
x = 82,056,648,987,117,184/386,969,430.92 - Step 6: Final answer
x = 212,049,434.48
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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.