Home / 725,316,006,144.20-1,087,974,009,216.30-347,813,481,662.60

Finding the Fourth Proportional to 725,316,006,144.20, 1,087,974,009,216.30 and 347,813,481,662.60

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Solution

The fourth proportional to 725,316,006,144.20, 1,087,974,009,216.30 and 347,813,481,662.60 is: 521,720,222,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,316,006,144.20 : 1,087,974,009,216.30 = 347,813,481,662.60 : x
  2. Step 2: Convert to fraction form
    725,316,006,144.20/1,087,974,009,216.30 = 347,813,481,662.60/x
  3. Step 3: Cross multiply
    725,316,006,144.20x = 1,087,974,009,216.30 × 347,813,481,662.60
  4. Step 4: Simplify right side
    725,316,006,144.20x = 378,412,028,103,938,965,241,856
  5. Step 5: Solve for x
    x = 378,412,028,103,938,965,241,856/725,316,006,144.20
  6. Step 6: Final answer
    x = 521,720,222,493.90

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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.