Home / 487,156,133.70-730,734,200.55-383,844,003.30

Finding the Fourth Proportional to 487,156,133.70, 730,734,200.55 and 383,844,003.30

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Solution

The fourth proportional to 487,156,133.70, 730,734,200.55 and 383,844,003.30 is: 575,766,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,133.70 : 730,734,200.55 = 383,844,003.30 : x
  2. Step 2: Convert to fraction form
    487,156,133.70/730,734,200.55 = 383,844,003.30/x
  3. Step 3: Cross multiply
    487,156,133.70x = 730,734,200.55 × 383,844,003.30
  4. Step 4: Simplify right side
    487,156,133.70x = 280,487,940,887,337,056
  5. Step 5: Solve for x
    x = 280,487,940,887,337,056/487,156,133.70
  6. Step 6: Final answer
    x = 575,766,004.95

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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.