Home / 8,148,762,122.40-12,223,143,183.60-7,919,179,610.40

Finding the Fourth Proportional to 8,148,762,122.40, 12,223,143,183.60 and 7,919,179,610.40

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Solution

The fourth proportional to 8,148,762,122.40, 12,223,143,183.60 and 7,919,179,610.40 is: 11,878,769,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,762,122.40 : 12,223,143,183.60 = 7,919,179,610.40 : x
  2. Step 2: Convert to fraction form
    8,148,762,122.40/12,223,143,183.60 = 7,919,179,610.40/x
  3. Step 3: Cross multiply
    8,148,762,122.40x = 12,223,143,183.60 × 7,919,179,610.40
  4. Step 4: Simplify right side
    8,148,762,122.40x = 96,797,266,274,564,866,048
  5. Step 5: Solve for x
    x = 96,797,266,274,564,866,048/8,148,762,122.40
  6. Step 6: Final answer
    x = 11,878,769,415.60

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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.