Home / 8,239,111,866.40-12,358,667,799.60-7,336,150,304.80

Finding the Fourth Proportional to 8,239,111,866.40, 12,358,667,799.60 and 7,336,150,304.80

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Solution

The fourth proportional to 8,239,111,866.40, 12,358,667,799.60 and 7,336,150,304.80 is: 11,004,225,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,111,866.40 : 12,358,667,799.60 = 7,336,150,304.80 : x
  2. Step 2: Convert to fraction form
    8,239,111,866.40/12,358,667,799.60 = 7,336,150,304.80/x
  3. Step 3: Cross multiply
    8,239,111,866.40x = 12,358,667,799.60 × 7,336,150,304.80
  4. Step 4: Simplify right side
    8,239,111,866.40x = 90,665,044,544,957,497,344
  5. Step 5: Solve for x
    x = 90,665,044,544,957,497,344/8,239,111,866.40
  6. Step 6: Final answer
    x = 11,004,225,457.20

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Double scale
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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.