Finding the Fourth Proportional to 699,319,141.12, 965,063,497.13 and 386,055,929.26
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Solution
The fourth proportional to 699,319,141.12, 965,063,497.13 and 386,055,929.26 is: 532,758,883.99
Step by Step Solution
- Step 1: Write the proportion equation
699,319,141.12 : 965,063,497.13 = 386,055,929.26 : x - Step 2: Convert to fraction form
699,319,141.12/965,063,497.13 = 386,055,929.26/x - Step 3: Cross multiply
699,319,141.12x = 965,063,497.13 × 386,055,929.26 - Step 4: Simplify right side
699,319,141.12x = 372,568,485,172,671,872 - Step 5: Solve for x
x = 372,568,485,172,671,872/699,319,141.12 - Step 6: Final answer
x = 532,758,883.99
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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.