Home / 231,787,012,153.70-347,680,518,230.55-82,895,100,371.30

Finding the Fourth Proportional to 231,787,012,153.70, 347,680,518,230.55 and 82,895,100,371.30

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Solution

The fourth proportional to 231,787,012,153.70, 347,680,518,230.55 and 82,895,100,371.30 is: 124,342,650,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,012,153.70 : 347,680,518,230.55 = 82,895,100,371.30 : x
  2. Step 2: Convert to fraction form
    231,787,012,153.70/347,680,518,230.55 = 82,895,100,371.30/x
  3. Step 3: Cross multiply
    231,787,012,153.70x = 347,680,518,230.55 × 82,895,100,371.30
  4. Step 4: Simplify right side
    231,787,012,153.70x = 28,821,011,455,867,040,563,200
  5. Step 5: Solve for x
    x = 28,821,011,455,867,040,563,200/231,787,012,153.70
  6. Step 6: Final answer
    x = 124,342,650,556.95

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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.