Home / 378,051,324.90-567,076,987.35-222,445,400.10

Finding the Fourth Proportional to 378,051,324.90, 567,076,987.35 and 222,445,400.10

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Solution

The fourth proportional to 378,051,324.90, 567,076,987.35 and 222,445,400.10 is: 333,668,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,051,324.90 : 567,076,987.35 = 222,445,400.10 : x
  2. Step 2: Convert to fraction form
    378,051,324.90/567,076,987.35 = 222,445,400.10/x
  3. Step 3: Cross multiply
    378,051,324.90x = 567,076,987.35 × 222,445,400.10
  4. Step 4: Simplify right side
    378,051,324.90x = 126,143,667,338,573,392
  5. Step 5: Solve for x
    x = 126,143,667,338,573,392/378,051,324.90
  6. Step 6: Final answer
    x = 333,668,100.15

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1.5x scale

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.