Home / 731,378,817.82-1,009,253,080.83-401,375,214.46

Finding the Fourth Proportional to 731,378,817.82, 1,009,253,080.83 and 401,375,214.46

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Solution

The fourth proportional to 731,378,817.82, 1,009,253,080.83 and 401,375,214.46 is: 553,870,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,378,817.82 : 1,009,253,080.83 = 401,375,214.46 : x
  2. Step 2: Convert to fraction form
    731,378,817.82/1,009,253,080.83 = 401,375,214.46/x
  3. Step 3: Cross multiply
    731,378,817.82x = 1,009,253,080.83 × 401,375,214.46
  4. Step 4: Simplify right side
    731,378,817.82x = 405,089,171,763,055,936
  5. Step 5: Solve for x
    x = 405,089,171,763,055,936/731,378,817.82
  6. Step 6: Final answer
    x = 553,870,527.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.