Home / 409,536,422.60-614,304,633.90-264,417,600.20

Finding the Fourth Proportional to 409,536,422.60, 614,304,633.90 and 264,417,600.20

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Solution

The fourth proportional to 409,536,422.60, 614,304,633.90 and 264,417,600.20 is: 396,626,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,536,422.60 : 614,304,633.90 = 264,417,600.20 : x
  2. Step 2: Convert to fraction form
    409,536,422.60/614,304,633.90 = 264,417,600.20/x
  3. Step 3: Cross multiply
    409,536,422.60x = 614,304,633.90 × 264,417,600.20
  4. Step 4: Simplify right side
    409,536,422.60x = 162,432,957,087,577,568
  5. Step 5: Solve for x
    x = 162,432,957,087,577,568/409,536,422.60
  6. Step 6: Final answer
    x = 396,626,400.30

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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.