Home / 449,147,338.20-619,847,123.99-270,587,436.35

Finding the Fourth Proportional to 449,147,338.20, 619,847,123.99 and 270,587,436.35

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Solution

The fourth proportional to 449,147,338.20, 619,847,123.99 and 270,587,436.35 is: 373,424,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,147,338.20 : 619,847,123.99 = 270,587,436.35 : x
  2. Step 2: Convert to fraction form
    449,147,338.20/619,847,123.99 = 270,587,436.35/x
  3. Step 3: Cross multiply
    449,147,338.20x = 619,847,123.99 × 270,587,436.35
  4. Step 4: Simplify right side
    449,147,338.20x = 167,722,844,204,922,528
  5. Step 5: Solve for x
    x = 167,722,844,204,922,528/449,147,338.20
  6. Step 6: Final answer
    x = 373,424,998.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.