Home / 743,561,487.68-1,026,109,178.82-409,026,806.69

Finding the Fourth Proportional to 743,561,487.68, 1,026,109,178.82 and 409,026,806.69

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Solution

The fourth proportional to 743,561,487.68, 1,026,109,178.82 and 409,026,806.69 is: 564,453,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,561,487.68 : 1,026,109,178.82 = 409,026,806.69 : x
  2. Step 2: Convert to fraction form
    743,561,487.68/1,026,109,178.82 = 409,026,806.69/x
  3. Step 3: Cross multiply
    743,561,487.68x = 1,026,109,178.82 × 409,026,806.69
  4. Step 4: Simplify right side
    743,561,487.68x = 419,706,160,722,912,256
  5. Step 5: Solve for x
    x = 419,706,160,722,912,256/743,561,487.68
  6. Step 6: Final answer
    x = 564,453,871.91

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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.