Home / 435,094,528-652,659,790.92-128,386,644.52

Finding the Fourth Proportional to 435,094,528, 652,659,790.92 and 128,386,644.52

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Solution

The fourth proportional to 435,094,528, 652,659,790.92 and 128,386,644.52 is: 192,585,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,094,528 : 652,659,790.92 = 128,386,644.52 : x
  2. Step 2: Convert to fraction form
    435,094,528/652,659,790.92 = 128,386,644.52/x
  3. Step 3: Cross multiply
    435,094,528x = 652,659,790.92 × 128,386,644.52
  4. Step 4: Simplify right side
    435,094,528x = 83,792,800,569,343,552
  5. Step 5: Solve for x
    x = 83,792,800,569,343,552/435,094,528
  6. Step 6: Final answer
    x = 192,585,277.86

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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.