Home / 457,467,613.20-631,310,181.48-248,623,766.64

Finding the Fourth Proportional to 457,467,613.20, 631,310,181.48 and 248,623,766.64

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Solution

The fourth proportional to 457,467,613.20, 631,310,181.48 and 248,623,766.64 is: 343,103,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,467,613.20 : 631,310,181.48 = 248,623,766.64 : x
  2. Step 2: Convert to fraction form
    457,467,613.20/631,310,181.48 = 248,623,766.64/x
  3. Step 3: Cross multiply
    457,467,613.20x = 631,310,181.48 × 248,623,766.64
  4. Step 4: Simplify right side
    457,467,613.20x = 156,958,715,237,739,552
  5. Step 5: Solve for x
    x = 156,958,715,237,739,552/457,467,613.20
  6. Step 6: Final answer
    x = 343,103,447.56

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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.