Home / 345,207,908.52-476,401,395.78-198,530,309.16

Finding the Fourth Proportional to 345,207,908.52, 476,401,395.78 and 198,530,309.16

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Solution

The fourth proportional to 345,207,908.52, 476,401,395.78 and 198,530,309.16 is: 273,980,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,207,908.52 : 476,401,395.78 = 198,530,309.16 : x
  2. Step 2: Convert to fraction form
    345,207,908.52/476,401,395.78 = 198,530,309.16/x
  3. Step 3: Cross multiply
    345,207,908.52x = 476,401,395.78 × 198,530,309.16
  4. Step 4: Simplify right side
    345,207,908.52x = 94,580,116,388,458,912
  5. Step 5: Solve for x
    x = 94,580,116,388,458,912/345,207,908.52
  6. Step 6: Final answer
    x = 273,980,155.30

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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.