Home / 1,138,007,640.60-1,708,286,919.30-880,365,043.80

Finding the Fourth Proportional to 1,138,007,640.60, 1,708,286,919.30 and 880,365,043.80

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Solution

The fourth proportional to 1,138,007,640.60, 1,708,286,919.30 and 880,365,043.80 is: 1,321,534,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,007,640.60 : 1,708,286,919.30 = 880,365,043.80 : x
  2. Step 2: Convert to fraction form
    1,138,007,640.60/1,708,286,919.30 = 880,365,043.80/x
  3. Step 3: Cross multiply
    1,138,007,640.60x = 1,708,286,919.30 × 880,365,043.80
  4. Step 4: Simplify right side
    1,138,007,640.60x = 1,503,916,088,532,511,488
  5. Step 5: Solve for x
    x = 1,503,916,088,532,511,488/1,138,007,640.60
  6. Step 6: Final answer
    x = 1,321,534,262.93

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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.