Home / 1,138,277,535.66-1,570,702,067.15-629,559,410.22

Finding the Fourth Proportional to 1,138,277,535.66, 1,570,702,067.15 and 629,559,410.22

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Solution

The fourth proportional to 1,138,277,535.66, 1,570,702,067.15 and 629,559,410.22 is: 868,725,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,277,535.66 : 1,570,702,067.15 = 629,559,410.22 : x
  2. Step 2: Convert to fraction form
    1,138,277,535.66/1,570,702,067.15 = 629,559,410.22/x
  3. Step 3: Cross multiply
    1,138,277,535.66x = 1,570,702,067.15 × 629,559,410.22
  4. Step 4: Simplify right side
    1,138,277,535.66x = 988,850,267,023,141,120
  5. Step 5: Solve for x
    x = 988,850,267,023,141,120/1,138,277,535.66
  6. Step 6: Final answer
    x = 868,725,100.90

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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.