Home / 847,233,148.78-1,270,121,780.22-294,463,766.62

Finding the Fourth Proportional to 847,233,148.78, 1,270,121,780.22 and 294,463,766.62

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Solution

The fourth proportional to 847,233,148.78, 1,270,121,780.22 and 294,463,766.62 is: 441,442,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,233,148.78 : 1,270,121,780.22 = 294,463,766.62 : x
  2. Step 2: Convert to fraction form
    847,233,148.78/1,270,121,780.22 = 294,463,766.62/x
  3. Step 3: Cross multiply
    847,233,148.78x = 1,270,121,780.22 × 294,463,766.62
  4. Step 4: Simplify right side
    847,233,148.78x = 374,004,843,469,681,024
  5. Step 5: Solve for x
    x = 374,004,843,469,681,024/847,233,148.78
  6. Step 6: Final answer
    x = 441,442,646.58

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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.