Home / 7,141,503,683.28-9,854,598,521.16-3,969,310,921.68

Finding the Fourth Proportional to 7,141,503,683.28, 9,854,598,521.16 and 3,969,310,921.68

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Solution

The fourth proportional to 7,141,503,683.28, 9,854,598,521.16 and 3,969,310,921.68 is: 5,477,273,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,503,683.28 : 9,854,598,521.16 = 3,969,310,921.68 : x
  2. Step 2: Convert to fraction form
    7,141,503,683.28/9,854,598,521.16 = 3,969,310,921.68/x
  3. Step 3: Cross multiply
    7,141,503,683.28x = 9,854,598,521.16 × 3,969,310,921.68
  4. Step 4: Simplify right side
    7,141,503,683.28x = 39,115,965,538,811,961,344
  5. Step 5: Solve for x
    x = 39,115,965,538,811,961,344/7,141,503,683.28
  6. Step 6: Final answer
    x = 5,477,273,032.90

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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.