Home / 12,519,087,712.20-18,778,631,568.30-6,714,334,816.20

Finding the Fourth Proportional to 12,519,087,712.20, 18,778,631,568.30 and 6,714,334,816.20

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Solution

The fourth proportional to 12,519,087,712.20, 18,778,631,568.30 and 6,714,334,816.20 is: 10,071,502,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519,087,712.20 : 18,778,631,568.30 = 6,714,334,816.20 : x
  2. Step 2: Convert to fraction form
    12,519,087,712.20/18,778,631,568.30 = 6,714,334,816.20/x
  3. Step 3: Cross multiply
    12,519,087,712.20x = 18,778,631,568.30 × 6,714,334,816.20
  4. Step 4: Simplify right side
    12,519,087,712.20x = 126,086,019,739,629,092,864
  5. Step 5: Solve for x
    x = 126,086,019,739,629,092,864/12,519,087,712.20
  6. Step 6: Final answer
    x = 10,071,502,224.30

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Double scale
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Similar ratio
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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.