Home / 12,130,524,013.61-18,197,741,251.21-3,736,425,740.86

Finding the Fourth Proportional to 12,130,524,013.61, 18,197,741,251.21 and 3,736,425,740.86

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Solution

The fourth proportional to 12,130,524,013.61, 18,197,741,251.21 and 3,736,425,740.86 is: 5,605,240,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,524,013.61 : 18,197,741,251.21 = 3,736,425,740.86 : x
  2. Step 2: Convert to fraction form
    12,130,524,013.61/18,197,741,251.21 = 3,736,425,740.86/x
  3. Step 3: Cross multiply
    12,130,524,013.61x = 18,197,741,251.21 × 3,736,425,740.86
  4. Step 4: Simplify right side
    12,130,524,013.61x = 67,994,508,836,556,472,320
  5. Step 5: Solve for x
    x = 67,994,508,836,556,472,320/12,130,524,013.61
  6. Step 6: Final answer
    x = 5,605,240,858.54

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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.