Home / 1,226,025,019.34-1,837,944,137.01-449,489,728.70

Finding the Fourth Proportional to 1,226,025,019.34, 1,837,944,137.01 and 449,489,728.70

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Solution

The fourth proportional to 1,226,025,019.34, 1,837,944,137.01 and 449,489,728.70 is: 673,833,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,025,019.34 : 1,837,944,137.01 = 449,489,728.70 : x
  2. Step 2: Convert to fraction form
    1,226,025,019.34/1,837,944,137.01 = 449,489,728.70/x
  3. Step 3: Cross multiply
    1,226,025,019.34x = 1,837,944,137.01 × 449,489,728.70
  4. Step 4: Simplify right side
    1,226,025,019.34x = 826,137,011,510,380,544
  5. Step 5: Solve for x
    x = 826,137,011,510,380,544/1,226,025,019.34
  6. Step 6: Final answer
    x = 673,833,729.72

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Double scale
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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.