Home / 865,372,297.80-1,298,058,446.70-251,976,534.60

Finding the Fourth Proportional to 865,372,297.80, 1,298,058,446.70 and 251,976,534.60

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Solution

The fourth proportional to 865,372,297.80, 1,298,058,446.70 and 251,976,534.60 is: 377,964,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,372,297.80 : 1,298,058,446.70 = 251,976,534.60 : x
  2. Step 2: Convert to fraction form
    865,372,297.80/1,298,058,446.70 = 251,976,534.60/x
  3. Step 3: Cross multiply
    865,372,297.80x = 1,298,058,446.70 × 251,976,534.60
  4. Step 4: Simplify right side
    865,372,297.80x = 327,080,269,107,724,800
  5. Step 5: Solve for x
    x = 327,080,269,107,724,800/865,372,297.80
  6. Step 6: Final answer
    x = 377,964,801.90

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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.