Home / 12,106,930,600.80-18,160,395,901.20-7,127,541,007.20

Finding the Fourth Proportional to 12,106,930,600.80, 18,160,395,901.20 and 7,127,541,007.20

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Solution

The fourth proportional to 12,106,930,600.80, 18,160,395,901.20 and 7,127,541,007.20 is: 10,691,311,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106,930,600.80 : 18,160,395,901.20 = 7,127,541,007.20 : x
  2. Step 2: Convert to fraction form
    12,106,930,600.80/18,160,395,901.20 = 7,127,541,007.20/x
  3. Step 3: Cross multiply
    12,106,930,600.80x = 18,160,395,901.20 × 7,127,541,007.20
  4. Step 4: Simplify right side
    12,106,930,600.80x = 129,438,966,492,789,800,960
  5. Step 5: Solve for x
    x = 129,438,966,492,789,800,960/12,106,930,600.80
  6. Step 6: Final answer
    x = 10,691,311,510.80

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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.