Home / 925,228,354.68-1,387,847,255.94-311,817,894.84

Finding the Fourth Proportional to 925,228,354.68, 1,387,847,255.94 and 311,817,894.84

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Solution

The fourth proportional to 925,228,354.68, 1,387,847,255.94 and 311,817,894.84 is: 467,728,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,228,354.68 : 1,387,847,255.94 = 311,817,894.84 : x
  2. Step 2: Convert to fraction form
    925,228,354.68/1,387,847,255.94 = 311,817,894.84/x
  3. Step 3: Cross multiply
    925,228,354.68x = 1,387,847,255.94 × 311,817,894.84
  4. Step 4: Simplify right side
    925,228,354.68x = 432,755,609,706,681,472
  5. Step 5: Solve for x
    x = 432,755,609,706,681,472/925,228,354.68
  6. Step 6: Final answer
    x = 467,728,434.30

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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.