Home / 417,648,531.38-626,083,336.40-141,106,348.65

Finding the Fourth Proportional to 417,648,531.38, 626,083,336.40 and 141,106,348.65

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Solution

The fourth proportional to 417,648,531.38, 626,083,336.40 and 141,106,348.65 is: 211,527,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,648,531.38 : 626,083,336.40 = 141,106,348.65 : x
  2. Step 2: Convert to fraction form
    417,648,531.38/626,083,336.40 = 141,106,348.65/x
  3. Step 3: Cross multiply
    417,648,531.38x = 626,083,336.40 × 141,106,348.65
  4. Step 4: Simplify right side
    417,648,531.38x = 88,344,333,550,013,632
  5. Step 5: Solve for x
    x = 88,344,333,550,013,632/417,648,531.38
  6. Step 6: Final answer
    x = 211,527,940.15

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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.