Home / 384,915,620.20-577,373,430.30-382,648,138.60

Finding the Fourth Proportional to 384,915,620.20, 577,373,430.30 and 382,648,138.60

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Solution

The fourth proportional to 384,915,620.20, 577,373,430.30 and 382,648,138.60 is: 573,972,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,915,620.20 : 577,373,430.30 = 382,648,138.60 : x
  2. Step 2: Convert to fraction form
    384,915,620.20/577,373,430.30 = 382,648,138.60/x
  3. Step 3: Cross multiply
    384,915,620.20x = 577,373,430.30 × 382,648,138.60
  4. Step 4: Simplify right side
    384,915,620.20x = 220,930,868,381,391,840
  5. Step 5: Solve for x
    x = 220,930,868,381,391,840/384,915,620.20
  6. Step 6: Final answer
    x = 573,972,207.90

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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.