Home / 484,965,720.20-727,448,580.30-239,439,978.20

Finding the Fourth Proportional to 484,965,720.20, 727,448,580.30 and 239,439,978.20

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Solution

The fourth proportional to 484,965,720.20, 727,448,580.30 and 239,439,978.20 is: 359,159,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,965,720.20 : 727,448,580.30 = 239,439,978.20 : x
  2. Step 2: Convert to fraction form
    484,965,720.20/727,448,580.30 = 239,439,978.20/x
  3. Step 3: Cross multiply
    484,965,720.20x = 727,448,580.30 × 239,439,978.20
  4. Step 4: Simplify right side
    484,965,720.20x = 174,180,272,208,652,928
  5. Step 5: Solve for x
    x = 174,180,272,208,652,928/484,965,720.20
  6. Step 6: Final answer
    x = 359,159,967.30

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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.