Finding the Fourth Proportional to 2,156,376,326.10, 3,234,564,489.15 and 2,071,723,679.70
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Solution
The fourth proportional to 2,156,376,326.10, 3,234,564,489.15 and 2,071,723,679.70 is: 3,107,585,519.55
Step by Step Solution
- Step 1: Write the proportion equation
2,156,376,326.10 : 3,234,564,489.15 = 2,071,723,679.70 : x - Step 2: Convert to fraction form
2,156,376,326.10/3,234,564,489.15 = 2,071,723,679.70/x - Step 3: Cross multiply
2,156,376,326.10x = 3,234,564,489.15 × 2,071,723,679.70 - Step 4: Simplify right side
2,156,376,326.10x = 6,701,123,845,688,788,992 - Step 5: Solve for x
x = 6,701,123,845,688,788,992/2,156,376,326.10 - Step 6: Final answer
x = 3,107,585,519.55
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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.