Home / 460,002,019.52-687,907,241.76-343,499,188.16

Finding the Fourth Proportional to 460,002,019.52, 687,907,241.76 and 343,499,188.16

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Solution

The fourth proportional to 460,002,019.52, 687,907,241.76 and 343,499,188.16 is: 513,683,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,002,019.52 : 687,907,241.76 = 343,499,188.16 : x
  2. Step 2: Convert to fraction form
    460,002,019.52/687,907,241.76 = 343,499,188.16/x
  3. Step 3: Cross multiply
    460,002,019.52x = 687,907,241.76 × 343,499,188.16
  4. Step 4: Simplify right side
    460,002,019.52x = 236,295,579,073,944,864
  5. Step 5: Solve for x
    x = 236,295,579,073,944,864/460,002,019.52
  6. Step 6: Final answer
    x = 513,683,786.26

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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.