Home / 513,209,092.20-768,113,027.10-472,394,423.40

Finding the Fourth Proportional to 513,209,092.20, 768,113,027.10 and 472,394,423.40

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Solution

The fourth proportional to 513,209,092.20, 768,113,027.10 and 472,394,423.40 is: 707,026,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,209,092.20 : 768,113,027.10 = 472,394,423.40 : x
  2. Step 2: Convert to fraction form
    513,209,092.20/768,113,027.10 = 472,394,423.40/x
  3. Step 3: Cross multiply
    513,209,092.20x = 768,113,027.10 × 472,394,423.40
  4. Step 4: Simplify right side
    513,209,092.20x = 362,852,310,542,933,056
  5. Step 5: Solve for x
    x = 362,852,310,542,933,056/513,209,092.20
  6. Step 6: Final answer
    x = 707,026,270.69

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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.