Home / 928,040,823.72-1,392,726,132.79-337,829,830.25

Finding the Fourth Proportional to 928,040,823.72, 1,392,726,132.79 and 337,829,830.25

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Solution

The fourth proportional to 928,040,823.72, 1,392,726,132.79 and 337,829,830.25 is: 506,986,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,040,823.72 : 1,392,726,132.79 = 337,829,830.25 : x
  2. Step 2: Convert to fraction form
    928,040,823.72/1,392,726,132.79 = 337,829,830.25/x
  3. Step 3: Cross multiply
    928,040,823.72x = 1,392,726,132.79 × 337,829,830.25
  4. Step 4: Simplify right side
    928,040,823.72x = 470,504,433,017,376,448
  5. Step 5: Solve for x
    x = 470,504,433,017,376,448/928,040,823.72
  6. Step 6: Final answer
    x = 506,986,784.41

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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.