Home / 328,253,869.20-452,945,966.22-187,143,292.92

Finding the Fourth Proportional to 328,253,869.20, 452,945,966.22 and 187,143,292.92

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Solution

The fourth proportional to 328,253,869.20, 452,945,966.22 and 187,143,292.92 is: 258,232,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,253,869.20 : 452,945,966.22 = 187,143,292.92 : x
  2. Step 2: Convert to fraction form
    328,253,869.20/452,945,966.22 = 187,143,292.92/x
  3. Step 3: Cross multiply
    328,253,869.20x = 452,945,966.22 × 187,143,292.92
  4. Step 4: Simplify right side
    328,253,869.20x = 84,765,799,633,241,888
  5. Step 5: Solve for x
    x = 84,765,799,633,241,888/328,253,869.20
  6. Step 6: Final answer
    x = 258,232,446.25

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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.