Home / 10,637,568,157.20-15,956,352,235.80-5,127,587,869.20

Finding the Fourth Proportional to 10,637,568,157.20, 15,956,352,235.80 and 5,127,587,869.20

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Solution

The fourth proportional to 10,637,568,157.20, 15,956,352,235.80 and 5,127,587,869.20 is: 7,691,381,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,568,157.20 : 15,956,352,235.80 = 5,127,587,869.20 : x
  2. Step 2: Convert to fraction form
    10,637,568,157.20/15,956,352,235.80 = 5,127,587,869.20/x
  3. Step 3: Cross multiply
    10,637,568,157.20x = 15,956,352,235.80 × 5,127,587,869.20
  4. Step 4: Simplify right side
    10,637,568,157.20x = 81,817,598,160,970,366,976
  5. Step 5: Solve for x
    x = 81,817,598,160,970,366,976/10,637,568,157.20
  6. Step 6: Final answer
    x = 7,691,381,803.80

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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.