Home / 7,874,020,997.60-11,811,031,496.40-7,275,405,855.20

Finding the Fourth Proportional to 7,874,020,997.60, 11,811,031,496.40 and 7,275,405,855.20

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Solution

The fourth proportional to 7,874,020,997.60, 11,811,031,496.40 and 7,275,405,855.20 is: 10,913,108,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,020,997.60 : 11,811,031,496.40 = 7,275,405,855.20 : x
  2. Step 2: Convert to fraction form
    7,874,020,997.60/11,811,031,496.40 = 7,275,405,855.20/x
  3. Step 3: Cross multiply
    7,874,020,997.60x = 11,811,031,496.40 × 7,275,405,855.20
  4. Step 4: Simplify right side
    7,874,020,997.60x = 85,930,047,704,860,180,480
  5. Step 5: Solve for x
    x = 85,930,047,704,860,180,480/7,874,020,997.60
  6. Step 6: Final answer
    x = 10,913,108,782.80

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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.