Home / 703,145,976.39-970,252,262.00-385,522,640.36

Finding the Fourth Proportional to 703,145,976.39, 970,252,262.00 and 385,522,640.36

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Solution

The fourth proportional to 703,145,976.39, 970,252,262.00 and 385,522,640.36 is: 531,972,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,145,976.39 : 970,252,262.00 = 385,522,640.36 : x
  2. Step 2: Convert to fraction form
    703,145,976.39/970,252,262.00 = 385,522,640.36/x
  3. Step 3: Cross multiply
    703,145,976.39x = 970,252,262.00 × 385,522,640.36
  4. Step 4: Simplify right side
    703,145,976.39x = 374,054,213,862,000,512
  5. Step 5: Solve for x
    x = 374,054,213,862,000,512/703,145,976.39
  6. Step 6: Final answer
    x = 531,972,344.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.