Home / 1,687,036,781.18-2,530,722,272.07-623,738,422.58

Finding the Fourth Proportional to 1,687,036,781.18, 2,530,722,272.07 and 623,738,422.58

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Solution

The fourth proportional to 1,687,036,781.18, 2,530,722,272.07 and 623,738,422.58 is: 935,669,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,036,781.18 : 2,530,722,272.07 = 623,738,422.58 : x
  2. Step 2: Convert to fraction form
    1,687,036,781.18/2,530,722,272.07 = 623,738,422.58/x
  3. Step 3: Cross multiply
    1,687,036,781.18x = 2,530,722,272.07 × 623,738,422.58
  4. Step 4: Simplify right side
    1,687,036,781.18x = 1,578,508,717,975,342,336
  5. Step 5: Solve for x
    x = 1,578,508,717,975,342,336/1,687,036,781.18
  6. Step 6: Final answer
    x = 935,669,414.91

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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.