Home / 568,221,672.51-852,370,999.97-199,711,822.59

Finding the Fourth Proportional to 568,221,672.51, 852,370,999.97 and 199,711,822.59

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Solution

The fourth proportional to 568,221,672.51, 852,370,999.97 and 199,711,822.59 is: 299,581,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,221,672.51 : 852,370,999.97 = 199,711,822.59 : x
  2. Step 2: Convert to fraction form
    568,221,672.51/852,370,999.97 = 199,711,822.59/x
  3. Step 3: Cross multiply
    568,221,672.51x = 852,370,999.97 × 199,711,822.59
  4. Step 4: Simplify right side
    568,221,672.51x = 170,228,565,925,870,976
  5. Step 5: Solve for x
    x = 170,228,565,925,870,976/568,221,672.51
  6. Step 6: Final answer
    x = 299,581,262.32

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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.