Home / 837,148,947.75-1,155,375,555.62-480,056,467.95

Finding the Fourth Proportional to 837,148,947.75, 1,155,375,555.62 and 480,056,467.95

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Solution

The fourth proportional to 837,148,947.75, 1,155,375,555.62 and 480,056,467.95 is: 662,541,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,148,947.75 : 1,155,375,555.62 = 480,056,467.95 : x
  2. Step 2: Convert to fraction form
    837,148,947.75/1,155,375,555.62 = 480,056,467.95/x
  3. Step 3: Cross multiply
    837,148,947.75x = 1,155,375,555.62 × 480,056,467.95
  4. Step 4: Simplify right side
    837,148,947.75x = 554,645,508,384,305,664
  5. Step 5: Solve for x
    x = 554,645,508,384,305,664/837,148,947.75
  6. Step 6: Final answer
    x = 662,541,008.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.