Home / 809,463,826.53-1,117,067,781.84-474,942,040.47

Finding the Fourth Proportional to 809,463,826.53, 1,117,067,781.84 and 474,942,040.47

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Solution

The fourth proportional to 809,463,826.53, 1,117,067,781.84 and 474,942,040.47 is: 655,424,534.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,463,826.53 : 1,117,067,781.84 = 474,942,040.47 : x
  2. Step 2: Convert to fraction form
    809,463,826.53/1,117,067,781.84 = 474,942,040.47/x
  3. Step 3: Cross multiply
    809,463,826.53x = 1,117,067,781.84 × 474,942,040.47
  4. Step 4: Simplify right side
    809,463,826.53x = 530,542,451,650,386,432
  5. Step 5: Solve for x
    x = 530,542,451,650,386,432/809,463,826.53
  6. Step 6: Final answer
    x = 655,424,534.44

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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.