Finding the Fourth Proportional to 414,758,191.24, 572,371,089.78 and 229,115,315.08
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Solution
The fourth proportional to 414,758,191.24, 572,371,089.78 and 229,115,315.08 is: 316,181,778.56
Step by Step Solution
- Step 1: Write the proportion equation
414,758,191.24 : 572,371,089.78 = 229,115,315.08 : x - Step 2: Convert to fraction form
414,758,191.24/572,371,089.78 = 229,115,315.08/x - Step 3: Cross multiply
414,758,191.24x = 572,371,089.78 × 229,115,315.08 - Step 4: Simplify right side
414,758,191.24x = 131,138,982,577,627,664 - Step 5: Solve for x
x = 131,138,982,577,627,664/414,758,191.24 - Step 6: Final answer
x = 316,181,778.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.