Home / 1,138,007,660.60-1,708,286,949.30-880,365,063.80

Finding the Fourth Proportional to 1,138,007,660.60, 1,708,286,949.30 and 880,365,063.80

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Solution

The fourth proportional to 1,138,007,660.60, 1,708,286,949.30 and 880,365,063.80 is: 1,321,534,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,007,660.60 : 1,708,286,949.30 = 880,365,063.80 : x
  2. Step 2: Convert to fraction form
    1,138,007,660.60/1,708,286,949.30 = 880,365,063.80/x
  3. Step 3: Cross multiply
    1,138,007,660.60x = 1,708,286,949.30 × 880,365,063.80
  4. Step 4: Simplify right side
    1,138,007,660.60x = 1,503,916,149,109,201,664
  5. Step 5: Solve for x
    x = 1,503,916,149,109,201,664/1,138,007,660.60
  6. Step 6: Final answer
    x = 1,321,534,292.94

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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.