Home / 352,277,340.30-486,143,865.18-195,644,447.28

Finding the Fourth Proportional to 352,277,340.30, 486,143,865.18 and 195,644,447.28

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Solution

The fourth proportional to 352,277,340.30, 486,143,865.18 and 195,644,447.28 is: 269,989,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,277,340.30 : 486,143,865.18 = 195,644,447.28 : x
  2. Step 2: Convert to fraction form
    352,277,340.30/486,143,865.18 = 195,644,447.28/x
  3. Step 3: Cross multiply
    352,277,340.30x = 486,143,865.18 × 195,644,447.28
  4. Step 4: Simplify right side
    352,277,340.30x = 95,111,347,801,703,936
  5. Step 5: Solve for x
    x = 95,111,347,801,703,936/352,277,340.30
  6. Step 6: Final answer
    x = 269,989,967.91

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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.