Home / 10,637,568,136.20-15,956,352,204.30-5,127,587,848.20

Finding the Fourth Proportional to 10,637,568,136.20, 15,956,352,204.30 and 5,127,587,848.20

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Solution

The fourth proportional to 10,637,568,136.20, 15,956,352,204.30 and 5,127,587,848.20 is: 7,691,381,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,568,136.20 : 15,956,352,204.30 = 5,127,587,848.20 : x
  2. Step 2: Convert to fraction form
    10,637,568,136.20/15,956,352,204.30 = 5,127,587,848.20/x
  3. Step 3: Cross multiply
    10,637,568,136.20x = 15,956,352,204.30 × 5,127,587,848.20
  4. Step 4: Simplify right side
    10,637,568,136.20x = 81,817,597,664,367,951,872
  5. Step 5: Solve for x
    x = 81,817,597,664,367,951,872/10,637,568,136.20
  6. Step 6: Final answer
    x = 7,691,381,772.30

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Double scale
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1.5x scale

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.