Home / 435,010,629.76-652,627,919.04-128,290,353.28

Finding the Fourth Proportional to 435,010,629.76, 652,627,919.04 and 128,290,353.28

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Solution

The fourth proportional to 435,010,629.76, 652,627,919.04 and 128,290,353.28 is: 192,468,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,010,629.76 : 652,627,919.04 = 128,290,353.28 : x
  2. Step 2: Convert to fraction form
    435,010,629.76/652,627,919.04 = 128,290,353.28/x
  3. Step 3: Cross multiply
    435,010,629.76x = 652,627,919.04 × 128,290,353.28
  4. Step 4: Simplify right side
    435,010,629.76x = 83,725,866,294,032,832
  5. Step 5: Solve for x
    x = 83,725,866,294,032,832/435,010,629.76
  6. Step 6: Final answer
    x = 192,468,552.64

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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.