Home / 467,826,892.56-645,398,454.60-282,084,720.12

Finding the Fourth Proportional to 467,826,892.56, 645,398,454.60 and 282,084,720.12

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Solution

The fourth proportional to 467,826,892.56, 645,398,454.60 and 282,084,720.12 is: 389,154,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,826,892.56 : 645,398,454.60 = 282,084,720.12 : x
  2. Step 2: Convert to fraction form
    467,826,892.56/645,398,454.60 = 282,084,720.12/x
  3. Step 3: Cross multiply
    467,826,892.56x = 645,398,454.60 × 282,084,720.12
  4. Step 4: Simplify right side
    467,826,892.56x = 182,057,042,431,721,536
  5. Step 5: Solve for x
    x = 182,057,042,431,721,536/467,826,892.56
  6. Step 6: Final answer
    x = 389,154,717.97

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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.