Finding the Fourth Proportional to 478,955,231.70, 718,432,847.55 and 375,643,101.30
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Solution
The fourth proportional to 478,955,231.70, 718,432,847.55 and 375,643,101.30 is: 563,464,651.95
Step by Step Solution
- Step 1: Write the proportion equation
478,955,231.70 : 718,432,847.55 = 375,643,101.30 : x - Step 2: Convert to fraction form
478,955,231.70/718,432,847.55 = 375,643,101.30/x - Step 3: Cross multiply
478,955,231.70x = 718,432,847.55 × 375,643,101.30 - Step 4: Simplify right side
478,955,231.70x = 269,874,342,929,472,096 - Step 5: Solve for x
x = 269,874,342,929,472,096/478,955,231.70 - Step 6: Final answer
x = 563,464,651.95
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Similar ratio
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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.