Home / 14,129,158,340.30-19,498,654,426.13-7,785,934,780.79

Finding the Fourth Proportional to 14,129,158,340.30, 19,498,654,426.13 and 7,785,934,780.79

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Solution

The fourth proportional to 14,129,158,340.30, 19,498,654,426.13 and 7,785,934,780.79 is: 10,744,819,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,158,340.30 : 19,498,654,426.13 = 7,785,934,780.79 : x
  2. Step 2: Convert to fraction form
    14,129,158,340.30/19,498,654,426.13 = 7,785,934,780.79/x
  3. Step 3: Cross multiply
    14,129,158,340.30x = 19,498,654,426.13 × 7,785,934,780.79
  4. Step 4: Simplify right side
    14,129,158,340.30x = 151,815,251,674,881,785,856
  5. Step 5: Solve for x
    x = 151,815,251,674,881,785,856/14,129,158,340.30
  6. Step 6: Final answer
    x = 10,744,819,190.11

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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.