Home / 420,677,594.84-631,029,247.53-144,324,932.56

Finding the Fourth Proportional to 420,677,594.84, 631,029,247.53 and 144,324,932.56

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Solution

The fourth proportional to 420,677,594.84, 631,029,247.53 and 144,324,932.56 is: 216,491,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,677,594.84 : 631,029,247.53 = 144,324,932.56 : x
  2. Step 2: Convert to fraction form
    420,677,594.84/631,029,247.53 = 144,324,932.56/x
  3. Step 3: Cross multiply
    420,677,594.84x = 631,029,247.53 × 144,324,932.56
  4. Step 4: Simplify right side
    420,677,594.84x = 91,073,253,589,278,032
  5. Step 5: Solve for x
    x = 91,073,253,589,278,032/420,677,594.84
  6. Step 6: Final answer
    x = 216,491,809.18

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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.