Home / 851,330,805.54-1,276,383,335.04-523,128,233.58

Finding the Fourth Proportional to 851,330,805.54, 1,276,383,335.04 and 523,128,233.58

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Solution

The fourth proportional to 851,330,805.54, 1,276,383,335.04 and 523,128,233.58 is: 784,315,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,330,805.54 : 1,276,383,335.04 = 523,128,233.58 : x
  2. Step 2: Convert to fraction form
    851,330,805.54/1,276,383,335.04 = 523,128,233.58/x
  3. Step 3: Cross multiply
    851,330,805.54x = 1,276,383,335.04 × 523,128,233.58
  4. Step 4: Simplify right side
    851,330,805.54x = 667,712,159,430,424,448
  5. Step 5: Solve for x
    x = 667,712,159,430,424,448/851,330,805.54
  6. Step 6: Final answer
    x = 784,315,750.22

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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.