Home / 409,063,319.83-564,491,072.01-230,443,047.28

Finding the Fourth Proportional to 409,063,319.83, 564,491,072.01 and 230,443,047.28

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Solution

The fourth proportional to 409,063,319.83, 564,491,072.01 and 230,443,047.28 is: 318,002,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,063,319.83 : 564,491,072.01 = 230,443,047.28 : x
  2. Step 2: Convert to fraction form
    409,063,319.83/564,491,072.01 = 230,443,047.28/x
  3. Step 3: Cross multiply
    409,063,319.83x = 564,491,072.01 × 230,443,047.28
  4. Step 4: Simplify right side
    409,063,319.83x = 130,083,042,796,338,320
  5. Step 5: Solve for x
    x = 130,083,042,796,338,320/409,063,319.83
  6. Step 6: Final answer
    x = 318,002,217.48

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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.