Home / 262,656,784.60-393,985,176.90-248,548,010.20

Finding the Fourth Proportional to 262,656,784.60, 393,985,176.90 and 248,548,010.20

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Solution

The fourth proportional to 262,656,784.60, 393,985,176.90 and 248,548,010.20 is: 372,822,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,656,784.60 : 393,985,176.90 = 248,548,010.20 : x
  2. Step 2: Convert to fraction form
    262,656,784.60/393,985,176.90 = 248,548,010.20/x
  3. Step 3: Cross multiply
    262,656,784.60x = 393,985,176.90 × 248,548,010.20
  4. Step 4: Simplify right side
    262,656,784.60x = 97,924,231,766,790,000
  5. Step 5: Solve for x
    x = 97,924,231,766,790,000/262,656,784.60
  6. Step 6: Final answer
    x = 372,822,015.30

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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.