Home / 381,632,726.40-572,449,089.60-355,934,601.60

Finding the Fourth Proportional to 381,632,726.40, 572,449,089.60 and 355,934,601.60

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Solution

The fourth proportional to 381,632,726.40, 572,449,089.60 and 355,934,601.60 is: 533,901,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,632,726.40 : 572,449,089.60 = 355,934,601.60 : x
  2. Step 2: Convert to fraction form
    381,632,726.40/572,449,089.60 = 355,934,601.60/x
  3. Step 3: Cross multiply
    381,632,726.40x = 572,449,089.60 × 355,934,601.60
  4. Step 4: Simplify right side
    381,632,726.40x = 203,754,438,643,058,720
  5. Step 5: Solve for x
    x = 203,754,438,643,058,720/381,632,726.40
  6. Step 6: Final answer
    x = 533,901,902.40

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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.