Home / 809,463,828.75-1,117,067,784.45-474,942,042.71

Finding the Fourth Proportional to 809,463,828.75, 1,117,067,784.45 and 474,942,042.71

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Solution

The fourth proportional to 809,463,828.75, 1,117,067,784.45 and 474,942,042.71 is: 655,424,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,463,828.75 : 1,117,067,784.45 = 474,942,042.71 : x
  2. Step 2: Convert to fraction form
    809,463,828.75/1,117,067,784.45 = 474,942,042.71/x
  3. Step 3: Cross multiply
    809,463,828.75x = 1,117,067,784.45 × 474,942,042.71
  4. Step 4: Simplify right side
    809,463,828.75x = 530,542,455,391,723,072
  5. Step 5: Solve for x
    x = 530,542,455,391,723,072/809,463,828.75
  6. Step 6: Final answer
    x = 655,424,537.26

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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.