Home / 65,491,344,549.36-90,378,327,774.78-35,417,829,079.80

Finding the Fourth Proportional to 65,491,344,549.36, 90,378,327,774.78 and 35,417,829,079.80

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Solution

The fourth proportional to 65,491,344,549.36, 90,378,327,774.78 and 35,417,829,079.80 is: 48,876,751,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,491,344,549.36 : 90,378,327,774.78 = 35,417,829,079.80 : x
  2. Step 2: Convert to fraction form
    65,491,344,549.36/90,378,327,774.78 = 35,417,829,079.80/x
  3. Step 3: Cross multiply
    65,491,344,549.36x = 90,378,327,774.78 × 35,417,829,079.80
  4. Step 4: Simplify right side
    65,491,344,549.36x = 3,201,004,165,645,299,351,552
  5. Step 5: Solve for x
    x = 3,201,004,165,645,299,351,552/65,491,344,549.36
  6. Step 6: Final answer
    x = 48,876,751,388.62

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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.