Home / 769,225,977.38-1,061,535,544.18-416,801,874.66

Finding the Fourth Proportional to 769,225,977.38, 1,061,535,544.18 and 416,801,874.66

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Solution

The fourth proportional to 769,225,977.38, 1,061,535,544.18 and 416,801,874.66 is: 575,188,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,225,977.38 : 1,061,535,544.18 = 416,801,874.66 : x
  2. Step 2: Convert to fraction form
    769,225,977.38/1,061,535,544.18 = 416,801,874.66/x
  3. Step 3: Cross multiply
    769,225,977.38x = 1,061,535,544.18 × 416,801,874.66
  4. Step 4: Simplify right side
    769,225,977.38x = 442,450,004,832,447,232
  5. Step 5: Solve for x
    x = 442,450,004,832,447,232/769,225,977.38
  6. Step 6: Final answer
    x = 575,188,589.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.