Home / 435,094,529-652,659,792.42-128,386,645.52

Finding the Fourth Proportional to 435,094,529, 652,659,792.42 and 128,386,645.52

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Solution

The fourth proportional to 435,094,529, 652,659,792.42 and 128,386,645.52 is: 192,585,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,094,529 : 652,659,792.42 = 128,386,645.52 : x
  2. Step 2: Convert to fraction form
    435,094,529/652,659,792.42 = 128,386,645.52/x
  3. Step 3: Cross multiply
    435,094,529x = 652,659,792.42 × 128,386,645.52
  4. Step 4: Simplify right side
    435,094,529x = 83,792,801,414,583,312
  5. Step 5: Solve for x
    x = 83,792,801,414,583,312/435,094,529
  6. Step 6: Final answer
    x = 192,585,279.36

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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.