Home / 834,395,105.12-1,250,640,570.35-336,086,679.65

Finding the Fourth Proportional to 834,395,105.12, 1,250,640,570.35 and 336,086,679.65

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Solution

The fourth proportional to 834,395,105.12, 1,250,640,570.35 and 336,086,679.65 is: 503,746,527.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,395,105.12 : 1,250,640,570.35 = 336,086,679.65 : x
  2. Step 2: Convert to fraction form
    834,395,105.12/1,250,640,570.35 = 336,086,679.65/x
  3. Step 3: Cross multiply
    834,395,105.12x = 1,250,640,570.35 × 336,086,679.65
  4. Step 4: Simplify right side
    834,395,105.12x = 420,323,636,719,100,736
  5. Step 5: Solve for x
    x = 420,323,636,719,100,736/834,395,105.12
  6. Step 6: Final answer
    x = 503,746,527.45

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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.