Home / 639,527,853,862.65-959,299,150,085.90-231,145,242,133.32

Finding the Fourth Proportional to 639,527,853,862.65, 959,299,150,085.90 and 231,145,242,133.32

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Solution

The fourth proportional to 639,527,853,862.65, 959,299,150,085.90 and 231,145,242,133.32 is: 346,720,526,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,527,853,862.65 : 959,299,150,085.90 = 231,145,242,133.32 : x
  2. Step 2: Convert to fraction form
    639,527,853,862.65/959,299,150,085.90 = 231,145,242,133.32/x
  3. Step 3: Cross multiply
    639,527,853,862.65x = 959,299,150,085.90 × 231,145,242,133.32
  4. Step 4: Simplify right side
    639,527,853,862.65x = 221,737,434,324,893,446,438,912
  5. Step 5: Solve for x
    x = 221,737,434,324,893,446,438,912/639,527,853,862.65
  6. Step 6: Final answer
    x = 346,720,526,691.11

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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.