Home / 460,839,256.78-691,259,585.07-188,210,023.78

Finding the Fourth Proportional to 460,839,256.78, 691,259,585.07 and 188,210,023.78

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Solution

The fourth proportional to 460,839,256.78, 691,259,585.07 and 188,210,023.78 is: 282,315,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,839,256.78 : 691,259,585.07 = 188,210,023.78 : x
  2. Step 2: Convert to fraction form
    460,839,256.78/691,259,585.07 = 188,210,023.78/x
  3. Step 3: Cross multiply
    460,839,256.78x = 691,259,585.07 × 188,210,023.78
  4. Step 4: Simplify right side
    460,839,256.78x = 130,101,982,944,177,648
  5. Step 5: Solve for x
    x = 130,101,982,944,177,648/460,839,256.78
  6. Step 6: Final answer
    x = 282,315,321.51

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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.