Home / 725,316,006,154.20-1,087,974,009,231.30-347,813,481,672.60

Finding the Fourth Proportional to 725,316,006,154.20, 1,087,974,009,231.30 and 347,813,481,672.60

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Solution

The fourth proportional to 725,316,006,154.20, 1,087,974,009,231.30 and 347,813,481,672.60 is: 521,720,222,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,316,006,154.20 : 1,087,974,009,231.30 = 347,813,481,672.60 : x
  2. Step 2: Convert to fraction form
    725,316,006,154.20/1,087,974,009,231.30 = 347,813,481,672.60/x
  3. Step 3: Cross multiply
    725,316,006,154.20x = 1,087,974,009,231.30 × 347,813,481,672.60
  4. Step 4: Simplify right side
    725,316,006,154.20x = 378,412,028,120,035,898,687,488
  5. Step 5: Solve for x
    x = 378,412,028,120,035,898,687,488/725,316,006,154.20
  6. Step 6: Final answer
    x = 521,720,222,508.90

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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.