Home / 3,988,230,748.80-5,982,346,123.20-3,308,753,500.80

Finding the Fourth Proportional to 3,988,230,748.80, 5,982,346,123.20 and 3,308,753,500.80

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Solution

The fourth proportional to 3,988,230,748.80, 5,982,346,123.20 and 3,308,753,500.80 is: 4,963,130,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,230,748.80 : 5,982,346,123.20 = 3,308,753,500.80 : x
  2. Step 2: Convert to fraction form
    3,988,230,748.80/5,982,346,123.20 = 3,308,753,500.80/x
  3. Step 3: Cross multiply
    3,988,230,748.80x = 5,982,346,123.20 × 3,308,753,500.80
  4. Step 4: Simplify right side
    3,988,230,748.80x = 19,794,108,678,135,308,288
  5. Step 5: Solve for x
    x = 19,794,108,678,135,308,288/3,988,230,748.80
  6. Step 6: Final answer
    x = 4,963,130,251.20

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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.