Home / 351,861,331.20-527,791,996.80-222,048,009.60

Finding the Fourth Proportional to 351,861,331.20, 527,791,996.80 and 222,048,009.60

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Solution

The fourth proportional to 351,861,331.20, 527,791,996.80 and 222,048,009.60 is: 333,072,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,861,331.20 : 527,791,996.80 = 222,048,009.60 : x
  2. Step 2: Convert to fraction form
    351,861,331.20/527,791,996.80 = 222,048,009.60/x
  3. Step 3: Cross multiply
    351,861,331.20x = 527,791,996.80 × 222,048,009.60
  4. Step 4: Simplify right side
    351,861,331.20x = 117,195,162,372,249,568
  5. Step 5: Solve for x
    x = 117,195,162,372,249,568/351,861,331.20
  6. Step 6: Final answer
    x = 333,072,014.40

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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.