Home / 444,542,979.30-666,458,403.48-211,256,622.42

Finding the Fourth Proportional to 444,542,979.30, 666,458,403.48 and 211,256,622.42

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Solution

The fourth proportional to 444,542,979.30, 666,458,403.48 and 211,256,622.42 is: 316,715,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,542,979.30 : 666,458,403.48 = 211,256,622.42 : x
  2. Step 2: Convert to fraction form
    444,542,979.30/666,458,403.48 = 211,256,622.42/x
  3. Step 3: Cross multiply
    444,542,979.30x = 666,458,403.48 × 211,256,622.42
  4. Step 4: Simplify right side
    444,542,979.30x = 140,793,751,302,610,368
  5. Step 5: Solve for x
    x = 140,793,751,302,610,368/444,542,979.30
  6. Step 6: Final answer
    x = 316,715,723.47

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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.