Home / 851,330,799.54-1,276,383,326.04-523,128,227.58

Finding the Fourth Proportional to 851,330,799.54, 1,276,383,326.04 and 523,128,227.58

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Solution

The fourth proportional to 851,330,799.54, 1,276,383,326.04 and 523,128,227.58 is: 784,315,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,330,799.54 : 1,276,383,326.04 = 523,128,227.58 : x
  2. Step 2: Convert to fraction form
    851,330,799.54/1,276,383,326.04 = 523,128,227.58/x
  3. Step 3: Cross multiply
    851,330,799.54x = 1,276,383,326.04 × 523,128,227.58
  4. Step 4: Simplify right side
    851,330,799.54x = 667,712,147,063,970,432
  5. Step 5: Solve for x
    x = 667,712,147,063,970,432/851,330,799.54
  6. Step 6: Final answer
    x = 784,315,741.22

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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.