Home / 458,198,186.78-632,446,740.36-299,452,190.19

Finding the Fourth Proportional to 458,198,186.78, 632,446,740.36 and 299,452,190.19

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Solution

The fourth proportional to 458,198,186.78, 632,446,740.36 and 299,452,190.19 is: 413,331,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,198,186.78 : 632,446,740.36 = 299,452,190.19 : x
  2. Step 2: Convert to fraction form
    458,198,186.78/632,446,740.36 = 299,452,190.19/x
  3. Step 3: Cross multiply
    458,198,186.78x = 632,446,740.36 × 299,452,190.19
  4. Step 4: Simplify right side
    458,198,186.78x = 189,387,561,579,328,256
  5. Step 5: Solve for x
    x = 189,387,561,579,328,256/458,198,186.78
  6. Step 6: Final answer
    x = 413,331,102.23

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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.