Home / 2,659,733,767.70-3,989,600,651.55-721,036,999.70

Finding the Fourth Proportional to 2,659,733,767.70, 3,989,600,651.55 and 721,036,999.70

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Solution

The fourth proportional to 2,659,733,767.70, 3,989,600,651.55 and 721,036,999.70 is: 1,081,555,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,733,767.70 : 3,989,600,651.55 = 721,036,999.70 : x
  2. Step 2: Convert to fraction form
    2,659,733,767.70/3,989,600,651.55 = 721,036,999.70/x
  3. Step 3: Cross multiply
    2,659,733,767.70x = 3,989,600,651.55 × 721,036,999.70
  4. Step 4: Simplify right side
    2,659,733,767.70x = 2,876,649,683,794,777,600
  5. Step 5: Solve for x
    x = 2,876,649,683,794,777,600/2,659,733,767.70
  6. Step 6: Final answer
    x = 1,081,555,499.55

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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.