Home / 383,238,138.60-574,857,207.90-379,207,060.20

Finding the Fourth Proportional to 383,238,138.60, 574,857,207.90 and 379,207,060.20

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Solution

The fourth proportional to 383,238,138.60, 574,857,207.90 and 379,207,060.20 is: 568,810,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,238,138.60 : 574,857,207.90 = 379,207,060.20 : x
  2. Step 2: Convert to fraction form
    383,238,138.60/574,857,207.90 = 379,207,060.20/x
  3. Step 3: Cross multiply
    383,238,138.60x = 574,857,207.90 × 379,207,060.20
  4. Step 4: Simplify right side
    383,238,138.60x = 217,989,911,842,539,200
  5. Step 5: Solve for x
    x = 217,989,911,842,539,200/383,238,138.60
  6. Step 6: Final answer
    x = 568,810,590.30

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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.