Home / 304,498,868.40-420,976,919.79-224,988,524.46

Finding the Fourth Proportional to 304,498,868.40, 420,976,919.79 and 224,988,524.46

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Solution

The fourth proportional to 304,498,868.40, 420,976,919.79 and 224,988,524.46 is: 311,051,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,498,868.40 : 420,976,919.79 = 224,988,524.46 : x
  2. Step 2: Convert to fraction form
    304,498,868.40/420,976,919.79 = 224,988,524.46/x
  3. Step 3: Cross multiply
    304,498,868.40x = 420,976,919.79 × 224,988,524.46
  4. Step 4: Simplify right side
    304,498,868.40x = 94,714,976,015,267,888
  5. Step 5: Solve for x
    x = 94,714,976,015,267,888/304,498,868.40
  6. Step 6: Final answer
    x = 311,051,980.30

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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.