Home / 383,400,979.20-575,101,468.80-229,968,057.60

Finding the Fourth Proportional to 383,400,979.20, 575,101,468.80 and 229,968,057.60

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Solution

The fourth proportional to 383,400,979.20, 575,101,468.80 and 229,968,057.60 is: 344,952,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,400,979.20 : 575,101,468.80 = 229,968,057.60 : x
  2. Step 2: Convert to fraction form
    383,400,979.20/575,101,468.80 = 229,968,057.60/x
  3. Step 3: Cross multiply
    383,400,979.20x = 575,101,468.80 × 229,968,057.60
  4. Step 4: Simplify right side
    383,400,979.20x = 132,254,967,702,842,992
  5. Step 5: Solve for x
    x = 132,254,967,702,842,992/383,400,979.20
  6. Step 6: Final answer
    x = 344,952,086.40

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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.