Home / 998,094,987.80-1,497,000,764.10-343,076,240.60

Finding the Fourth Proportional to 998,094,987.80, 1,497,000,764.10 and 343,076,240.60

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Solution

The fourth proportional to 998,094,987.80, 1,497,000,764.10 and 343,076,240.60 is: 514,565,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,094,987.80 : 1,497,000,764.10 = 343,076,240.60 : x
  2. Step 2: Convert to fraction form
    998,094,987.80/1,497,000,764.10 = 343,076,240.60/x
  3. Step 3: Cross multiply
    998,094,987.80x = 1,497,000,764.10 × 343,076,240.60
  4. Step 4: Simplify right side
    998,094,987.80x = 513,585,394,322,755,456
  5. Step 5: Solve for x
    x = 513,585,394,322,755,456/998,094,987.80
  6. Step 6: Final answer
    x = 514,565,648.16

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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.