Home / 351,861,343.20-527,792,014.80-222,048,021.60

Finding the Fourth Proportional to 351,861,343.20, 527,792,014.80 and 222,048,021.60

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Solution

The fourth proportional to 351,861,343.20, 527,792,014.80 and 222,048,021.60 is: 333,072,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,861,343.20 : 527,792,014.80 = 222,048,021.60 : x
  2. Step 2: Convert to fraction form
    351,861,343.20/527,792,014.80 = 222,048,021.60/x
  3. Step 3: Cross multiply
    351,861,343.20x = 527,792,014.80 × 222,048,021.60
  4. Step 4: Simplify right side
    351,861,343.20x = 117,195,172,702,617,920
  5. Step 5: Solve for x
    x = 117,195,172,702,617,920/351,861,343.20
  6. Step 6: Final answer
    x = 333,072,032.40

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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.