Home / 442,849,633.20-664,270,950.60-115,324,513.20

Finding the Fourth Proportional to 442,849,633.20, 664,270,950.60 and 115,324,513.20

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Solution

The fourth proportional to 442,849,633.20, 664,270,950.60 and 115,324,513.20 is: 172,985,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,849,633.20 : 664,270,950.60 = 115,324,513.20 : x
  2. Step 2: Convert to fraction form
    442,849,633.20/664,270,950.60 = 115,324,513.20/x
  3. Step 3: Cross multiply
    442,849,633.20x = 664,270,950.60 × 115,324,513.20
  4. Step 4: Simplify right side
    442,849,633.20x = 76,606,724,010,846,256
  5. Step 5: Solve for x
    x = 76,606,724,010,846,256/442,849,633.20
  6. Step 6: Final answer
    x = 172,985,858.56

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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.