Home / 628,123,226.82-941,748,529.56-278,178,601.20

Finding the Fourth Proportional to 628,123,226.82, 941,748,529.56 and 278,178,601.20

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Solution

The fourth proportional to 628,123,226.82, 941,748,529.56 and 278,178,601.20 is: 417,074,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,123,226.82 : 941,748,529.56 = 278,178,601.20 : x
  2. Step 2: Convert to fraction form
    628,123,226.82/941,748,529.56 = 278,178,601.20/x
  3. Step 3: Cross multiply
    628,123,226.82x = 941,748,529.56 × 278,178,601.20
  4. Step 4: Simplify right side
    628,123,226.82x = 261,974,288,635,157,632
  5. Step 5: Solve for x
    x = 261,974,288,635,157,632/628,123,226.82
  6. Step 6: Final answer
    x = 417,074,671.74

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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.