Home / 740,976,123.80-1,111,344,917.96-216,222,019.14

Finding the Fourth Proportional to 740,976,123.80, 1,111,344,917.96 and 216,222,019.14

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Solution

The fourth proportional to 740,976,123.80, 1,111,344,917.96 and 216,222,019.14 is: 324,298,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,976,123.80 : 1,111,344,917.96 = 216,222,019.14 : x
  2. Step 2: Convert to fraction form
    740,976,123.80/1,111,344,917.96 = 216,222,019.14/x
  3. Step 3: Cross multiply
    740,976,123.80x = 1,111,344,917.96 × 216,222,019.14
  4. Step 4: Simplify right side
    740,976,123.80x = 240,297,242,122,288,832
  5. Step 5: Solve for x
    x = 240,297,242,122,288,832/740,976,123.80
  6. Step 6: Final answer
    x = 324,298,225.55

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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.