Home / 435,094,524.75-652,659,786.05-128,386,641.27

Finding the Fourth Proportional to 435,094,524.75, 652,659,786.05 and 128,386,641.27

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Solution

The fourth proportional to 435,094,524.75, 652,659,786.05 and 128,386,641.27 is: 192,585,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,094,524.75 : 652,659,786.05 = 128,386,641.27 : x
  2. Step 2: Convert to fraction form
    435,094,524.75/652,659,786.05 = 128,386,641.27/x
  3. Step 3: Cross multiply
    435,094,524.75x = 652,659,786.05 × 128,386,641.27
  4. Step 4: Simplify right side
    435,094,524.75x = 83,792,797,822,314,352
  5. Step 5: Solve for x
    x = 83,792,797,822,314,352/435,094,524.75
  6. Step 6: Final answer
    x = 192,585,272.98

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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.