Home / 12,700,366,862.52-19,046,471,811.30-4,189,836,561.60

Finding the Fourth Proportional to 12,700,366,862.52, 19,046,471,811.30 and 4,189,836,561.60

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Solution

The fourth proportional to 12,700,366,862.52, 19,046,471,811.30 and 4,189,836,561.60 is: 6,283,409,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700,366,862.52 : 19,046,471,811.30 = 4,189,836,561.60 : x
  2. Step 2: Convert to fraction form
    12,700,366,862.52/19,046,471,811.30 = 4,189,836,561.60/x
  3. Step 3: Cross multiply
    12,700,366,862.52x = 19,046,471,811.30 × 4,189,836,561.60
  4. Step 4: Simplify right side
    12,700,366,862.52x = 79,801,603,964,468,510,720
  5. Step 5: Solve for x
    x = 79,801,603,964,468,510,720/12,700,366,862.52
  6. Step 6: Final answer
    x = 6,283,409,355.68

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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.