Home / 18,121,340,747.60-27,182,011,121.40-5,703,477,765.20

Finding the Fourth Proportional to 18,121,340,747.60, 27,182,011,121.40 and 5,703,477,765.20

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Solution

The fourth proportional to 18,121,340,747.60, 27,182,011,121.40 and 5,703,477,765.20 is: 8,555,216,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121,340,747.60 : 27,182,011,121.40 = 5,703,477,765.20 : x
  2. Step 2: Convert to fraction form
    18,121,340,747.60/27,182,011,121.40 = 5,703,477,765.20/x
  3. Step 3: Cross multiply
    18,121,340,747.60x = 27,182,011,121.40 × 5,703,477,765.20
  4. Step 4: Simplify right side
    18,121,340,747.60x = 155,031,996,044,324,012,032
  5. Step 5: Solve for x
    x = 155,031,996,044,324,012,032/18,121,340,747.60
  6. Step 6: Final answer
    x = 8,555,216,647.80

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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.