Finding the Fourth Proportional to 486,474,203.20, 729,711,305.04 and 122,968,559.20
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Solution
The fourth proportional to 486,474,203.20, 729,711,305.04 and 122,968,559.20 is: 184,452,838.86
Step by Step Solution
- Step 1: Write the proportion equation
486,474,203.20 : 729,711,305.04 = 122,968,559.20 : x - Step 2: Convert to fraction form
486,474,203.20/729,711,305.04 = 122,968,559.20/x - Step 3: Cross multiply
486,474,203.20x = 729,711,305.04 × 122,968,559.20 - Step 4: Simplify right side
486,474,203.20x = 89,731,547,812,720,496 - Step 5: Solve for x
x = 89,731,547,812,720,496/486,474,203.20 - Step 6: Final answer
x = 184,452,838.86
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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.