Home / 529,915,499.96-794,991,801.78-161,479,287.54

Finding the Fourth Proportional to 529,915,499.96, 794,991,801.78 and 161,479,287.54

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Solution

The fourth proportional to 529,915,499.96, 794,991,801.78 and 161,479,287.54 is: 242,255,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,915,499.96 : 794,991,801.78 = 161,479,287.54 : x
  2. Step 2: Convert to fraction form
    529,915,499.96/794,991,801.78 = 161,479,287.54/x
  3. Step 3: Cross multiply
    529,915,499.96x = 794,991,801.78 × 161,479,287.54
  4. Step 4: Simplify right side
    529,915,499.96x = 128,374,709,751,575,296
  5. Step 5: Solve for x
    x = 128,374,709,751,575,296/529,915,499.96
  6. Step 6: Final answer
    x = 242,255,057.20

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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.