Home / 844,842,670.20-1,267,264,005.30-431,594,148.60

Finding the Fourth Proportional to 844,842,670.20, 1,267,264,005.30 and 431,594,148.60

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Solution

The fourth proportional to 844,842,670.20, 1,267,264,005.30 and 431,594,148.60 is: 647,391,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,842,670.20 : 1,267,264,005.30 = 431,594,148.60 : x
  2. Step 2: Convert to fraction form
    844,842,670.20/1,267,264,005.30 = 431,594,148.60/x
  3. Step 3: Cross multiply
    844,842,670.20x = 1,267,264,005.30 × 431,594,148.60
  4. Step 4: Simplify right side
    844,842,670.20x = 546,943,729,418,879,424
  5. Step 5: Solve for x
    x = 546,943,729,418,879,424/844,842,670.20
  6. Step 6: Final answer
    x = 647,391,222.90

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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.