Home / 674,199,286.80-1,011,298,930.20-629,857,424.40

Finding the Fourth Proportional to 674,199,286.80, 1,011,298,930.20 and 629,857,424.40

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Solution

The fourth proportional to 674,199,286.80, 1,011,298,930.20 and 629,857,424.40 is: 944,786,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,199,286.80 : 1,011,298,930.20 = 629,857,424.40 : x
  2. Step 2: Convert to fraction form
    674,199,286.80/1,011,298,930.20 = 629,857,424.40/x
  3. Step 3: Cross multiply
    674,199,286.80x = 1,011,298,930.20 × 629,857,424.40
  4. Step 4: Simplify right side
    674,199,286.80x = 636,974,139,474,247,424
  5. Step 5: Solve for x
    x = 636,974,139,474,247,424/674,199,286.80
  6. Step 6: Final answer
    x = 944,786,136.60

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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.