Home / 12,134,253,299.52-18,185,398,822.08-5,138,407,801.92

Finding the Fourth Proportional to 12,134,253,299.52, 18,185,398,822.08 and 5,138,407,801.92

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Solution

The fourth proportional to 12,134,253,299.52, 18,185,398,822.08 and 5,138,407,801.92 is: 7,700,844,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,253,299.52 : 18,185,398,822.08 = 5,138,407,801.92 : x
  2. Step 2: Convert to fraction form
    12,134,253,299.52/18,185,398,822.08 = 5,138,407,801.92/x
  3. Step 3: Cross multiply
    12,134,253,299.52x = 18,185,398,822.08 × 5,138,407,801.92
  4. Step 4: Simplify right side
    12,134,253,299.52x = 93,443,995,188,402,667,520
  5. Step 5: Solve for x
    x = 93,443,995,188,402,667,520/12,134,253,299.52
  6. Step 6: Final answer
    x = 7,700,844,286.16

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1.5x scale

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.