Home / 460,839,255.78-691,259,583.57-188,210,022.78

Finding the Fourth Proportional to 460,839,255.78, 691,259,583.57 and 188,210,022.78

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Solution

The fourth proportional to 460,839,255.78, 691,259,583.57 and 188,210,022.78 is: 282,315,320.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,839,255.78 : 691,259,583.57 = 188,210,022.78 : x
  2. Step 2: Convert to fraction form
    460,839,255.78/691,259,583.57 = 188,210,022.78/x
  3. Step 3: Cross multiply
    460,839,255.78x = 691,259,583.57 × 188,210,022.78
  4. Step 4: Simplify right side
    460,839,255.78x = 130,101,981,970,603,024
  5. Step 5: Solve for x
    x = 130,101,981,970,603,024/460,839,255.78
  6. Step 6: Final answer
    x = 282,315,320.01

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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.