Home / 3,987,967,291.52-5,503,411,708.90-2,179,516,083.80

Finding the Fourth Proportional to 3,987,967,291.52, 5,503,411,708.90 and 2,179,516,083.80

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Solution

The fourth proportional to 3,987,967,291.52, 5,503,411,708.90 and 2,179,516,083.80 is: 3,007,741,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,967,291.52 : 5,503,411,708.90 = 2,179,516,083.80 : x
  2. Step 2: Convert to fraction form
    3,987,967,291.52/5,503,411,708.90 = 2,179,516,083.80/x
  3. Step 3: Cross multiply
    3,987,967,291.52x = 5,503,411,708.90 × 2,179,516,083.80
  4. Step 4: Simplify right side
    3,987,967,291.52x = 11,994,774,335,288,045,568
  5. Step 5: Solve for x
    x = 11,994,774,335,288,045,568/3,987,967,291.52
  6. Step 6: Final answer
    x = 3,007,741,402.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.