Home / 8,087,952,001.40-12,131,928,002.10-3,180,785,895.80

Finding the Fourth Proportional to 8,087,952,001.40, 12,131,928,002.10 and 3,180,785,895.80

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Solution

The fourth proportional to 8,087,952,001.40, 12,131,928,002.10 and 3,180,785,895.80 is: 4,771,178,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087,952,001.40 : 12,131,928,002.10 = 3,180,785,895.80 : x
  2. Step 2: Convert to fraction form
    8,087,952,001.40/12,131,928,002.10 = 3,180,785,895.80/x
  3. Step 3: Cross multiply
    8,087,952,001.40x = 12,131,928,002.10 × 3,180,785,895.80
  4. Step 4: Simplify right side
    8,087,952,001.40x = 38,589,065,477,940,756,480
  5. Step 5: Solve for x
    x = 38,589,065,477,940,756,480/8,087,952,001.40
  6. Step 6: Final answer
    x = 4,771,178,843.70

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Double scale
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Similar ratio
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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.