Home / 13,269,177,155.39-19,903,840,140.15-4,425,991,732.71

Finding the Fourth Proportional to 13,269,177,155.39, 19,903,840,140.15 and 4,425,991,732.71

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Solution

The fourth proportional to 13,269,177,155.39, 19,903,840,140.15 and 4,425,991,732.71 is: 6,639,012,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,177,155.39 : 19,903,840,140.15 = 4,425,991,732.71 : x
  2. Step 2: Convert to fraction form
    13,269,177,155.39/19,903,840,140.15 = 4,425,991,732.71/x
  3. Step 3: Cross multiply
    13,269,177,155.39x = 19,903,840,140.15 × 4,425,991,732.71
  4. Step 4: Simplify right side
    13,269,177,155.39x = 88,094,231,909,485,363,200
  5. Step 5: Solve for x
    x = 88,094,231,909,485,363,200/13,269,177,155.39
  6. Step 6: Final answer
    x = 6,639,012,417.87

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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.