Home / 638,040,235.65-957,067,973.96-177,950,411.97

Finding the Fourth Proportional to 638,040,235.65, 957,067,973.96 and 177,950,411.97

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Solution

The fourth proportional to 638,040,235.65, 957,067,973.96 and 177,950,411.97 is: 266,927,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,040,235.65 : 957,067,973.96 = 177,950,411.97 : x
  2. Step 2: Convert to fraction form
    638,040,235.65/957,067,973.96 = 177,950,411.97/x
  3. Step 3: Cross multiply
    638,040,235.65x = 957,067,973.96 × 177,950,411.97
  4. Step 4: Simplify right side
    638,040,235.65x = 170,310,640,249,475,232
  5. Step 5: Solve for x
    x = 170,310,640,249,475,232/638,040,235.65
  6. Step 6: Final answer
    x = 266,927,743.32

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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.