Home / 1,109,066,518.66-1,660,958,868.19-641,743,076.14

Finding the Fourth Proportional to 1,109,066,518.66, 1,660,958,868.19 and 641,743,076.14

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Solution

The fourth proportional to 1,109,066,518.66, 1,660,958,868.19 and 641,743,076.14 is: 961,086,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,066,518.66 : 1,660,958,868.19 = 641,743,076.14 : x
  2. Step 2: Convert to fraction form
    1,109,066,518.66/1,660,958,868.19 = 641,743,076.14/x
  3. Step 3: Cross multiply
    1,109,066,518.66x = 1,660,958,868.19 × 641,743,076.14
  4. Step 4: Simplify right side
    1,109,066,518.66x = 1,065,908,853,419,091,584
  5. Step 5: Solve for x
    x = 1,065,908,853,419,091,584/1,109,066,518.66
  6. Step 6: Final answer
    x = 961,086,495.25

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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.