Home / 836,454,937.30-1,254,682,405.95-291,015,193.30

Finding the Fourth Proportional to 836,454,937.30, 1,254,682,405.95 and 291,015,193.30

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Solution

The fourth proportional to 836,454,937.30, 1,254,682,405.95 and 291,015,193.30 is: 436,522,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,454,937.30 : 1,254,682,405.95 = 291,015,193.30 : x
  2. Step 2: Convert to fraction form
    836,454,937.30/1,254,682,405.95 = 291,015,193.30/x
  3. Step 3: Cross multiply
    836,454,937.30x = 1,254,682,405.95 × 291,015,193.30
  4. Step 4: Simplify right side
    836,454,937.30x = 365,131,642,897,648,320
  5. Step 5: Solve for x
    x = 365,131,642,897,648,320/836,454,937.30
  6. Step 6: Final answer
    x = 436,522,789.95

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Double scale
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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.