Home / 371,231,395.60-557,272,246.20-217,963,811.20

Finding the Fourth Proportional to 371,231,395.60, 557,272,246.20 and 217,963,811.20

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Solution

The fourth proportional to 371,231,395.60, 557,272,246.20 and 217,963,811.20 is: 327,195,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,231,395.60 : 557,272,246.20 = 217,963,811.20 : x
  2. Step 2: Convert to fraction form
    371,231,395.60/557,272,246.20 = 217,963,811.20/x
  3. Step 3: Cross multiply
    371,231,395.60x = 557,272,246.20 × 217,963,811.20
  4. Step 4: Simplify right side
    371,231,395.60x = 121,465,182,657,736,720
  5. Step 5: Solve for x
    x = 121,465,182,657,736,720/371,231,395.60
  6. Step 6: Final answer
    x = 327,195,339.88

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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.