Home / 664,302,656.20-996,453,984.30-276,403,870.30

Finding the Fourth Proportional to 664,302,656.20, 996,453,984.30 and 276,403,870.30

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Solution

The fourth proportional to 664,302,656.20, 996,453,984.30 and 276,403,870.30 is: 414,605,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,656.20 : 996,453,984.30 = 276,403,870.30 : x
  2. Step 2: Convert to fraction form
    664,302,656.20/996,453,984.30 = 276,403,870.30/x
  3. Step 3: Cross multiply
    664,302,656.20x = 996,453,984.30 × 276,403,870.30
  4. Step 4: Simplify right side
    664,302,656.20x = 275,423,737,836,375,424
  5. Step 5: Solve for x
    x = 275,423,737,836,375,424/664,302,656.20
  6. Step 6: Final answer
    x = 414,605,805.45

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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.