Home / 1,248,399,711.70-1,722,777,886.87-676,168,527.83

Finding the Fourth Proportional to 1,248,399,711.70, 1,722,777,886.87 and 676,168,527.83

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Solution

The fourth proportional to 1,248,399,711.70, 1,722,777,886.87 and 676,168,527.83 is: 933,105,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,399,711.70 : 1,722,777,886.87 = 676,168,527.83 : x
  2. Step 2: Convert to fraction form
    1,248,399,711.70/1,722,777,886.87 = 676,168,527.83/x
  3. Step 3: Cross multiply
    1,248,399,711.70x = 1,722,777,886.87 × 676,168,527.83
  4. Step 4: Simplify right side
    1,248,399,711.70x = 1,164,888,187,542,966,272
  5. Step 5: Solve for x
    x = 1,164,888,187,542,966,272/1,248,399,711.70
  6. Step 6: Final answer
    x = 933,105,139.82

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Double scale
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1.5x scale

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.