Home / 448,259,557.70-672,409,478.01-137,344,394.90

Finding the Fourth Proportional to 448,259,557.70, 672,409,478.01 and 137,344,394.90

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Solution

The fourth proportional to 448,259,557.70, 672,409,478.01 and 137,344,394.90 is: 206,022,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,259,557.70 : 672,409,478.01 = 137,344,394.90 : x
  2. Step 2: Convert to fraction form
    448,259,557.70/672,409,478.01 = 137,344,394.90/x
  3. Step 3: Cross multiply
    448,259,557.70x = 672,409,478.01 × 137,344,394.90
  4. Step 4: Simplify right side
    448,259,557.70x = 92,351,672,882,308,304
  5. Step 5: Solve for x
    x = 92,351,672,882,308,304/448,259,557.70
  6. Step 6: Final answer
    x = 206,022,763.59

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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.