Home / 383,175,908.82-529,012,454.31-251,247,049.86

Finding the Fourth Proportional to 383,175,908.82, 529,012,454.31 and 251,247,049.86

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Solution

The fourth proportional to 383,175,908.82, 529,012,454.31 and 251,247,049.86 is: 346,871,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,175,908.82 : 529,012,454.31 = 251,247,049.86 : x
  2. Step 2: Convert to fraction form
    383,175,908.82/529,012,454.31 = 251,247,049.86/x
  3. Step 3: Cross multiply
    383,175,908.82x = 529,012,454.31 × 251,247,049.86
  4. Step 4: Simplify right side
    383,175,908.82x = 132,912,818,484,585,552
  5. Step 5: Solve for x
    x = 132,912,818,484,585,552/383,175,908.82
  6. Step 6: Final answer
    x = 346,871,542.35

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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.