Home / 664,272,081.40-996,408,122.10-354,335,690.20

Finding the Fourth Proportional to 664,272,081.40, 996,408,122.10 and 354,335,690.20

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Solution

The fourth proportional to 664,272,081.40, 996,408,122.10 and 354,335,690.20 is: 531,503,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,272,081.40 : 996,408,122.10 = 354,335,690.20 : x
  2. Step 2: Convert to fraction form
    664,272,081.40/996,408,122.10 = 354,335,690.20/x
  3. Step 3: Cross multiply
    664,272,081.40x = 996,408,122.10 × 354,335,690.20
  4. Step 4: Simplify right side
    664,272,081.40x = 353,062,959,665,189,376
  5. Step 5: Solve for x
    x = 353,062,959,665,189,376/664,272,081.40
  6. Step 6: Final answer
    x = 531,503,535.30

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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.