Home / 823,609,166.81-1,235,412,758.77-210,193,458.17

Finding the Fourth Proportional to 823,609,166.81, 1,235,412,758.77 and 210,193,458.17

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Solution

The fourth proportional to 823,609,166.81, 1,235,412,758.77 and 210,193,458.17 is: 315,289,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,609,166.81 : 1,235,412,758.77 = 210,193,458.17 : x
  2. Step 2: Convert to fraction form
    823,609,166.81/1,235,412,758.77 = 210,193,458.17/x
  3. Step 3: Cross multiply
    823,609,166.81x = 1,235,412,758.77 × 210,193,458.17
  4. Step 4: Simplify right side
    823,609,166.81x = 259,675,680,026,503,712
  5. Step 5: Solve for x
    x = 259,675,680,026,503,712/823,609,166.81
  6. Step 6: Final answer
    x = 315,289,934.22

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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.