Finding the Fourth Proportional to 6,438,560,326.20, 9,657,840,489.30 and 3,173,386,822.20
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Solution
The fourth proportional to 6,438,560,326.20, 9,657,840,489.30 and 3,173,386,822.20 is: 4,760,080,233.30
Step by Step Solution
- Step 1: Write the proportion equation
6,438,560,326.20 : 9,657,840,489.30 = 3,173,386,822.20 : x - Step 2: Convert to fraction form
6,438,560,326.20/9,657,840,489.30 = 3,173,386,822.20/x - Step 3: Cross multiply
6,438,560,326.20x = 9,657,840,489.30 × 3,173,386,822.20 - Step 4: Simplify right side
6,438,560,326.20x = 30,648,063,739,654,217,728 - Step 5: Solve for x
x = 30,648,063,739,654,217,728/6,438,560,326.20 - Step 6: Final answer
x = 4,760,080,233.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.