Home / 2,034,923,161.60-2,808,802,934.40-1,188,378,835.12

Finding the Fourth Proportional to 2,034,923,161.60, 2,808,802,934.40 and 1,188,378,835.12

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Solution

The fourth proportional to 2,034,923,161.60, 2,808,802,934.40 and 1,188,378,835.12 is: 1,640,318,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034,923,161.60 : 2,808,802,934.40 = 1,188,378,835.12 : x
  2. Step 2: Convert to fraction form
    2,034,923,161.60/2,808,802,934.40 = 1,188,378,835.12/x
  3. Step 3: Cross multiply
    2,034,923,161.60x = 2,808,802,934.40 × 1,188,378,835.12
  4. Step 4: Simplify right side
    2,034,923,161.60x = 3,337,921,959,263,909,376
  5. Step 5: Solve for x
    x = 3,337,921,959,263,909,376/2,034,923,161.60
  6. Step 6: Final answer
    x = 1,640,318,426.88

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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.