Finding the Fourth Proportional to 9,336,543,540.12, 12,884,391,565.68 and 5,049,761,646.84
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Solution
The fourth proportional to 9,336,543,540.12, 12,884,391,565.68 and 5,049,761,646.84 is: 6,968,650,238.89
Step by Step Solution
- Step 1: Write the proportion equation
9,336,543,540.12 : 12,884,391,565.68 = 5,049,761,646.84 : x - Step 2: Convert to fraction form
9,336,543,540.12/12,884,391,565.68 = 5,049,761,646.84/x - Step 3: Cross multiply
9,336,543,540.12x = 12,884,391,565.68 × 5,049,761,646.84 - Step 4: Simplify right side
9,336,543,540.12x = 65,063,106,371,239,649,280 - Step 5: Solve for x
x = 65,063,106,371,239,649,280/9,336,543,540.12 - Step 6: Final answer
x = 6,968,650,238.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.