Home / 1,297,855,470.73-1,791,017,202.94-733,328,231.78

Finding the Fourth Proportional to 1,297,855,470.73, 1,791,017,202.94 and 733,328,231.78

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Solution

The fourth proportional to 1,297,855,470.73, 1,791,017,202.94 and 733,328,231.78 is: 1,011,979,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,855,470.73 : 1,791,017,202.94 = 733,328,231.78 : x
  2. Step 2: Convert to fraction form
    1,297,855,470.73/1,791,017,202.94 = 733,328,231.78/x
  3. Step 3: Cross multiply
    1,297,855,470.73x = 1,791,017,202.94 × 733,328,231.78
  4. Step 4: Simplify right side
    1,297,855,470.73x = 1,313,403,478,524,029,184
  5. Step 5: Solve for x
    x = 1,313,403,478,524,029,184/1,297,855,470.73
  6. Step 6: Final answer
    x = 1,011,979,768.28

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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.