Home / 664,302,023.40-996,453,035.10-446,623,789.80

Finding the Fourth Proportional to 664,302,023.40, 996,453,035.10 and 446,623,789.80

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Solution

The fourth proportional to 664,302,023.40, 996,453,035.10 and 446,623,789.80 is: 669,935,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,023.40 : 996,453,035.10 = 446,623,789.80 : x
  2. Step 2: Convert to fraction form
    664,302,023.40/996,453,035.10 = 446,623,789.80/x
  3. Step 3: Cross multiply
    664,302,023.40x = 996,453,035.10 × 446,623,789.80
  4. Step 4: Simplify right side
    664,302,023.40x = 445,039,630,894,074,432
  5. Step 5: Solve for x
    x = 445,039,630,894,074,432/664,302,023.40
  6. Step 6: Final answer
    x = 669,935,684.70

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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.