Home / 265,745,059.20-398,617,588.80-238,960,432.80

Finding the Fourth Proportional to 265,745,059.20, 398,617,588.80 and 238,960,432.80

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Solution

The fourth proportional to 265,745,059.20, 398,617,588.80 and 238,960,432.80 is: 358,440,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,745,059.20 : 398,617,588.80 = 238,960,432.80 : x
  2. Step 2: Convert to fraction form
    265,745,059.20/398,617,588.80 = 238,960,432.80/x
  3. Step 3: Cross multiply
    265,745,059.20x = 398,617,588.80 × 238,960,432.80
  4. Step 4: Simplify right side
    265,745,059.20x = 95,253,831,541,340,448
  5. Step 5: Solve for x
    x = 95,253,831,541,340,448/265,745,059.20
  6. Step 6: Final answer
    x = 358,440,649.20

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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.