Home / 664,302,023.90-996,453,035.85-660,475,648.70

Finding the Fourth Proportional to 664,302,023.90, 996,453,035.85 and 660,475,648.70

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Solution

The fourth proportional to 664,302,023.90, 996,453,035.85 and 660,475,648.70 is: 990,713,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,023.90 : 996,453,035.85 = 660,475,648.70 : x
  2. Step 2: Convert to fraction form
    664,302,023.90/996,453,035.85 = 660,475,648.70/x
  3. Step 3: Cross multiply
    664,302,023.90x = 996,453,035.85 × 660,475,648.70
  4. Step 4: Simplify right side
    664,302,023.90x = 658,132,965,252,113,152
  5. Step 5: Solve for x
    x = 658,132,965,252,113,152/664,302,023.90
  6. Step 6: Final answer
    x = 990,713,473.05

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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.