Home / 606,642,636.77-910,015,765.39-213,135,279.97

Finding the Fourth Proportional to 606,642,636.77, 910,015,765.39 and 213,135,279.97

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Solution

The fourth proportional to 606,642,636.77, 910,015,765.39 and 213,135,279.97 is: 319,721,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,642,636.77 : 910,015,765.39 = 213,135,279.97 : x
  2. Step 2: Convert to fraction form
    606,642,636.77/910,015,765.39 = 213,135,279.97/x
  3. Step 3: Cross multiply
    606,642,636.77x = 910,015,765.39 × 213,135,279.97
  4. Step 4: Simplify right side
    606,642,636.77x = 193,956,464,932,020,128
  5. Step 5: Solve for x
    x = 193,956,464,932,020,128/606,642,636.77
  6. Step 6: Final answer
    x = 319,721,122.74

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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.