Home / 521,520,782,690.55-782,281,174,035.82-433,361,098,082.55

Finding the Fourth Proportional to 521,520,782,690.55, 782,281,174,035.82 and 433,361,098,082.55

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Solution

The fourth proportional to 521,520,782,690.55, 782,281,174,035.82 and 433,361,098,082.55 is: 650,041,647,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,782,690.55 : 782,281,174,035.82 = 433,361,098,082.55 : x
  2. Step 2: Convert to fraction form
    521,520,782,690.55/782,281,174,035.82 = 433,361,098,082.55/x
  3. Step 3: Cross multiply
    521,520,782,690.55x = 782,281,174,035.82 × 433,361,098,082.55
  4. Step 4: Simplify right side
    521,520,782,690.55x = 339,010,228,589,469,353,639,936
  5. Step 5: Solve for x
    x = 339,010,228,589,469,353,639,936/521,520,782,690.55
  6. Step 6: Final answer
    x = 650,041,647,123.82

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1.5x scale

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.