Home / 1,226,940,138.60-1,840,410,207.90-709,104,028.20

Finding the Fourth Proportional to 1,226,940,138.60, 1,840,410,207.90 and 709,104,028.20

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Solution

The fourth proportional to 1,226,940,138.60, 1,840,410,207.90 and 709,104,028.20 is: 1,063,656,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,940,138.60 : 1,840,410,207.90 = 709,104,028.20 : x
  2. Step 2: Convert to fraction form
    1,226,940,138.60/1,840,410,207.90 = 709,104,028.20/x
  3. Step 3: Cross multiply
    1,226,940,138.60x = 1,840,410,207.90 × 709,104,028.20
  4. Step 4: Simplify right side
    1,226,940,138.60x = 1,305,042,291,962,289,664
  5. Step 5: Solve for x
    x = 1,305,042,291,962,289,664/1,226,940,138.60
  6. Step 6: Final answer
    x = 1,063,656,042.30

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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.