Finding the Fourth Proportional to 879,582,869.04, 1,318,226,565.96 and 491,390,019.12
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Solution
The fourth proportional to 879,582,869.04, 1,318,226,565.96 and 491,390,019.12 is: 736,443,830.65
Step by Step Solution
- Step 1: Write the proportion equation
879,582,869.04 : 1,318,226,565.96 = 491,390,019.12 : x - Step 2: Convert to fraction form
879,582,869.04/1,318,226,565.96 = 491,390,019.12/x - Step 3: Cross multiply
879,582,869.04x = 1,318,226,565.96 × 491,390,019.12 - Step 4: Simplify right side
879,582,869.04x = 647,763,377,451,576,320 - Step 5: Solve for x
x = 647,763,377,451,576,320/879,582,869.04 - Step 6: Final answer
x = 736,443,830.65
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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.