Finding the Fourth Proportional to 1,566,124,337.70, 2,349,186,506.55 and 953,904,305.70
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Solution
The fourth proportional to 1,566,124,337.70, 2,349,186,506.55 and 953,904,305.70 is: 1,430,856,458.55
Step by Step Solution
- Step 1: Write the proportion equation
1,566,124,337.70 : 2,349,186,506.55 = 953,904,305.70 : x - Step 2: Convert to fraction form
1,566,124,337.70/2,349,186,506.55 = 953,904,305.70/x - Step 3: Cross multiply
1,566,124,337.70x = 2,349,186,506.55 × 953,904,305.70 - Step 4: Simplify right side
1,566,124,337.70x = 2,240,899,123,490,386,432 - Step 5: Solve for x
x = 2,240,899,123,490,386,432/1,566,124,337.70 - Step 6: Final answer
x = 1,430,856,458.55
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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.