Home / 397,613,351.52-548,701,194.96-218,993,810.40

Finding the Fourth Proportional to 397,613,351.52, 548,701,194.96 and 218,993,810.40

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Solution

The fourth proportional to 397,613,351.52, 548,701,194.96 and 218,993,810.40 is: 302,208,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,613,351.52 : 548,701,194.96 = 218,993,810.40 : x
  2. Step 2: Convert to fraction form
    397,613,351.52/548,701,194.96 = 218,993,810.40/x
  3. Step 3: Cross multiply
    397,613,351.52x = 548,701,194.96 × 218,993,810.40
  4. Step 4: Simplify right side
    397,613,351.52x = 120,162,165,455,323,680
  5. Step 5: Solve for x
    x = 120,162,165,455,323,680/397,613,351.52
  6. Step 6: Final answer
    x = 302,208,577.75

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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.