Home / 1,408,156,440.48-2,112,667,168.32-672,165,505.44

Finding the Fourth Proportional to 1,408,156,440.48, 2,112,667,168.32 and 672,165,505.44

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Solution

The fourth proportional to 1,408,156,440.48, 2,112,667,168.32 and 672,165,505.44 is: 1,008,454,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,156,440.48 : 2,112,667,168.32 = 672,165,505.44 : x
  2. Step 2: Convert to fraction form
    1,408,156,440.48/2,112,667,168.32 = 672,165,505.44/x
  3. Step 3: Cross multiply
    1,408,156,440.48x = 2,112,667,168.32 × 672,165,505.44
  4. Step 4: Simplify right side
    1,408,156,440.48x = 1,420,061,995,020,306,432
  5. Step 5: Solve for x
    x = 1,420,061,995,020,306,432/1,408,156,440.48
  6. Step 6: Final answer
    x = 1,008,454,710.14

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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.