Home / 342,552,486.58-472,668,435.40-199,521,789.30

Finding the Fourth Proportional to 342,552,486.58, 472,668,435.40 and 199,521,789.30

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Solution

The fourth proportional to 342,552,486.58, 472,668,435.40 and 199,521,789.30 is: 275,308,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,552,486.58 : 472,668,435.40 = 199,521,789.30 : x
  2. Step 2: Convert to fraction form
    342,552,486.58/472,668,435.40 = 199,521,789.30/x
  3. Step 3: Cross multiply
    342,552,486.58x = 472,668,435.40 × 199,521,789.30
  4. Step 4: Simplify right side
    342,552,486.58x = 94,307,651,976,639,456
  5. Step 5: Solve for x
    x = 94,307,651,976,639,456/342,552,486.58
  6. Step 6: Final answer
    x = 275,308,618.89

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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.