Home / 56,874,874,919.97-78,486,365,499.53-31,499,801,439.87

Finding the Fourth Proportional to 56,874,874,919.97, 78,486,365,499.53 and 31,499,801,439.87

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Solution

The fourth proportional to 56,874,874,919.97, 78,486,365,499.53 and 31,499,801,439.87 is: 43,469,193,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,874,874,919.97 : 78,486,365,499.53 = 31,499,801,439.87 : x
  2. Step 2: Convert to fraction form
    56,874,874,919.97/78,486,365,499.53 = 31,499,801,439.87/x
  3. Step 3: Cross multiply
    56,874,874,919.97x = 78,486,365,499.53 × 31,499,801,439.87
  4. Step 4: Simplify right side
    56,874,874,919.97x = 2,472,304,928,972,100,599,808
  5. Step 5: Solve for x
    x = 2,472,304,928,972,100,599,808/56,874,874,919.97
  6. Step 6: Final answer
    x = 43,469,193,250.11

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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.