Home / 383,175,909.82-529,012,455.69-251,247,050.86

Finding the Fourth Proportional to 383,175,909.82, 529,012,455.69 and 251,247,050.86

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Solution

The fourth proportional to 383,175,909.82, 529,012,455.69 and 251,247,050.86 is: 346,871,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,175,909.82 : 529,012,455.69 = 251,247,050.86 : x
  2. Step 2: Convert to fraction form
    383,175,909.82/529,012,455.69 = 251,247,050.86/x
  3. Step 3: Cross multiply
    383,175,909.82x = 529,012,455.69 × 251,247,050.86
  4. Step 4: Simplify right side
    383,175,909.82x = 132,912,819,360,318,928
  5. Step 5: Solve for x
    x = 132,912,819,360,318,928/383,175,909.82
  6. Step 6: Final answer
    x = 346,871,543.73

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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.