Home / 329,927,131.13-495,323,212.22-221,238,644.63

Finding the Fourth Proportional to 329,927,131.13, 495,323,212.22 and 221,238,644.63

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Solution

The fourth proportional to 329,927,131.13, 495,323,212.22 and 221,238,644.63 is: 332,147,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,927,131.13 : 495,323,212.22 = 221,238,644.63 : x
  2. Step 2: Convert to fraction form
    329,927,131.13/495,323,212.22 = 221,238,644.63/x
  3. Step 3: Cross multiply
    329,927,131.13x = 495,323,212.22 × 221,238,644.63
  4. Step 4: Simplify right side
    329,927,131.13x = 109,584,636,125,330,656
  5. Step 5: Solve for x
    x = 109,584,636,125,330,656/329,927,131.13
  6. Step 6: Final answer
    x = 332,147,998.10

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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.