Home / 420,677,592.47-631,029,243.96-144,324,930.18

Finding the Fourth Proportional to 420,677,592.47, 631,029,243.96 and 144,324,930.18

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Solution

The fourth proportional to 420,677,592.47, 631,029,243.96 and 144,324,930.18 is: 216,491,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,677,592.47 : 631,029,243.96 = 144,324,930.18 : x
  2. Step 2: Convert to fraction form
    420,677,592.47/631,029,243.96 = 144,324,930.18/x
  3. Step 3: Cross multiply
    420,677,592.47x = 631,029,243.96 × 144,324,930.18
  4. Step 4: Simplify right side
    420,677,592.47x = 91,073,251,576,065,200
  5. Step 5: Solve for x
    x = 91,073,251,576,065,200/420,677,592.47
  6. Step 6: Final answer
    x = 216,491,805.62

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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.