Home / 2,148,521,279.97-3,222,781,161.42-574,587,678.89

Finding the Fourth Proportional to 2,148,521,279.97, 3,222,781,161.42 and 574,587,678.89

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Solution

The fourth proportional to 2,148,521,279.97, 3,222,781,161.42 and 574,587,678.89 is: 861,881,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,521,279.97 : 3,222,781,161.42 = 574,587,678.89 : x
  2. Step 2: Convert to fraction form
    2,148,521,279.97/3,222,781,161.42 = 574,587,678.89/x
  3. Step 3: Cross multiply
    2,148,521,279.97x = 3,222,781,161.42 × 574,587,678.89
  4. Step 4: Simplify right side
    2,148,521,279.97x = 1,851,770,347,110,736,128
  5. Step 5: Solve for x
    x = 1,851,770,347,110,736,128/2,148,521,279.97
  6. Step 6: Final answer
    x = 861,881,315.48

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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.