Home / 639,527,853,861.63-959,299,150,084.38-231,145,242,132.32

Finding the Fourth Proportional to 639,527,853,861.63, 959,299,150,084.38 and 231,145,242,132.32

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Solution

The fourth proportional to 639,527,853,861.63, 959,299,150,084.38 and 231,145,242,132.32 is: 346,720,526,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,527,853,861.63 : 959,299,150,084.38 = 231,145,242,132.32 : x
  2. Step 2: Convert to fraction form
    639,527,853,861.63/959,299,150,084.38 = 231,145,242,132.32/x
  3. Step 3: Cross multiply
    639,527,853,861.63x = 959,299,150,084.38 × 231,145,242,132.32
  4. Step 4: Simplify right side
    639,527,853,861.63x = 221,737,434,323,582,810,324,992
  5. Step 5: Solve for x
    x = 221,737,434,323,582,810,324,992/639,527,853,861.63
  6. Step 6: Final answer
    x = 346,720,526,689.61

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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.