Home / 354,018,816.60-531,028,224.90-331,344,000.60

Finding the Fourth Proportional to 354,018,816.60, 531,028,224.90 and 331,344,000.60

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Solution

The fourth proportional to 354,018,816.60, 531,028,224.90 and 331,344,000.60 is: 497,016,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,018,816.60 : 531,028,224.90 = 331,344,000.60 : x
  2. Step 2: Convert to fraction form
    354,018,816.60/531,028,224.90 = 331,344,000.60/x
  3. Step 3: Cross multiply
    354,018,816.60x = 531,028,224.90 × 331,344,000.60
  4. Step 4: Simplify right side
    354,018,816.60x = 175,953,016,469,882,528
  5. Step 5: Solve for x
    x = 175,953,016,469,882,528/354,018,816.60
  6. Step 6: Final answer
    x = 497,016,000.90

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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.