Home / 262,656,000.40-393,984,000.60-259,072,819.60

Finding the Fourth Proportional to 262,656,000.40, 393,984,000.60 and 259,072,819.60

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Solution

The fourth proportional to 262,656,000.40, 393,984,000.60 and 259,072,819.60 is: 388,609,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,000.40 : 393,984,000.60 = 259,072,819.60 : x
  2. Step 2: Convert to fraction form
    262,656,000.40/393,984,000.60 = 259,072,819.60/x
  3. Step 3: Cross multiply
    262,656,000.40x = 393,984,000.60 × 259,072,819.60
  4. Step 4: Simplify right side
    262,656,000.40x = 102,070,545,912,730,096
  5. Step 5: Solve for x
    x = 102,070,545,912,730,096/262,656,000.40
  6. Step 6: Final answer
    x = 388,609,229.40

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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.