Home / 1,687,036,781.30-2,530,722,272.26-623,738,422.71

Finding the Fourth Proportional to 1,687,036,781.30, 2,530,722,272.26 and 623,738,422.71

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Solution

The fourth proportional to 1,687,036,781.30, 2,530,722,272.26 and 623,738,422.71 is: 935,669,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,036,781.30 : 2,530,722,272.26 = 623,738,422.71 : x
  2. Step 2: Convert to fraction form
    1,687,036,781.30/2,530,722,272.26 = 623,738,422.71/x
  3. Step 3: Cross multiply
    1,687,036,781.30x = 2,530,722,272.26 × 623,738,422.71
  4. Step 4: Simplify right side
    1,687,036,781.30x = 1,578,508,718,416,519,936
  5. Step 5: Solve for x
    x = 1,578,508,718,416,519,936/1,687,036,781.30
  6. Step 6: Final answer
    x = 935,669,415.10

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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.