Home / 705,408,942.28-1,057,414,492.50-331,247,041.72

Finding the Fourth Proportional to 705,408,942.28, 1,057,414,492.50 and 331,247,041.72

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Solution

The fourth proportional to 705,408,942.28, 1,057,414,492.50 and 331,247,041.72 is: 496,542,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,408,942.28 : 1,057,414,492.50 = 331,247,041.72 : x
  2. Step 2: Convert to fraction form
    705,408,942.28/1,057,414,492.50 = 331,247,041.72/x
  3. Step 3: Cross multiply
    705,408,942.28x = 1,057,414,492.50 × 331,247,041.72
  4. Step 4: Simplify right side
    705,408,942.28x = 350,265,422,512,480,128
  5. Step 5: Solve for x
    x = 350,265,422,512,480,128/705,408,942.28
  6. Step 6: Final answer
    x = 496,542,362.19

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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.