Home / 1,377,473,929.38-2,067,404,844.33-722,887,420.86

Finding the Fourth Proportional to 1,377,473,929.38, 2,067,404,844.33 and 722,887,420.86

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Solution

The fourth proportional to 1,377,473,929.38, 2,067,404,844.33 and 722,887,420.86 is: 1,084,957,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,473,929.38 : 2,067,404,844.33 = 722,887,420.86 : x
  2. Step 2: Convert to fraction form
    1,377,473,929.38/2,067,404,844.33 = 722,887,420.86/x
  3. Step 3: Cross multiply
    1,377,473,929.38x = 2,067,404,844.33 × 722,887,420.86
  4. Step 4: Simplify right side
    1,377,473,929.38x = 1,494,500,955,791,183,360
  5. Step 5: Solve for x
    x = 1,494,500,955,791,183,360/1,377,473,929.38
  6. Step 6: Final answer
    x = 1,084,957,706.94

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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.