Home / 698,206,844.16-1,047,463,540.92-206,958,005.28

Finding the Fourth Proportional to 698,206,844.16, 1,047,463,540.92 and 206,958,005.28

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Solution

The fourth proportional to 698,206,844.16, 1,047,463,540.92 and 206,958,005.28 is: 310,482,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,206,844.16 : 1,047,463,540.92 = 206,958,005.28 : x
  2. Step 2: Convert to fraction form
    698,206,844.16/1,047,463,540.92 = 206,958,005.28/x
  3. Step 3: Cross multiply
    698,206,844.16x = 1,047,463,540.92 × 206,958,005.28
  4. Step 4: Simplify right side
    698,206,844.16x = 216,780,965,032,328,864
  5. Step 5: Solve for x
    x = 216,780,965,032,328,864/698,206,844.16
  6. Step 6: Final answer
    x = 310,482,440.62

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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.