Finding the Fourth Proportional to 1,594,327,720.20, 2,391,491,580.30 and 720,957,580.80
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Solution
The fourth proportional to 1,594,327,720.20, 2,391,491,580.30 and 720,957,580.80 is: 1,081,436,371.20
Step by Step Solution
- Step 1: Write the proportion equation
1,594,327,720.20 : 2,391,491,580.30 = 720,957,580.80 : x - Step 2: Convert to fraction form
1,594,327,720.20/2,391,491,580.30 = 720,957,580.80/x - Step 3: Cross multiply
1,594,327,720.20x = 2,391,491,580.30 × 720,957,580.80 - Step 4: Simplify right side
1,594,327,720.20x = 1,724,163,984,236,656,896 - Step 5: Solve for x
x = 1,724,163,984,236,656,896/1,594,327,720.20 - Step 6: Final answer
x = 1,081,436,371.20
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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.