Home / 725,316,006,150.20-1,087,974,009,225.30-347,813,481,668.60

Finding the Fourth Proportional to 725,316,006,150.20, 1,087,974,009,225.30 and 347,813,481,668.60

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Solution

The fourth proportional to 725,316,006,150.20, 1,087,974,009,225.30 and 347,813,481,668.60 is: 521,720,222,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,316,006,150.20 : 1,087,974,009,225.30 = 347,813,481,668.60 : x
  2. Step 2: Convert to fraction form
    725,316,006,150.20/1,087,974,009,225.30 = 347,813,481,668.60/x
  3. Step 3: Cross multiply
    725,316,006,150.20x = 1,087,974,009,225.30 × 347,813,481,668.60
  4. Step 4: Simplify right side
    725,316,006,150.20x = 378,412,028,113,597,138,731,008
  5. Step 5: Solve for x
    x = 378,412,028,113,597,138,731,008/725,316,006,150.20
  6. Step 6: Final answer
    x = 521,720,222,502.90

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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.