Home / 458,199,703.11-632,448,832.32-299,453,706.78

Finding the Fourth Proportional to 458,199,703.11, 632,448,832.32 and 299,453,706.78

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Solution

The fourth proportional to 458,199,703.11, 632,448,832.32 and 299,453,706.78 is: 413,333,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,199,703.11 : 632,448,832.32 = 299,453,706.78 : x
  2. Step 2: Convert to fraction form
    458,199,703.11/632,448,832.32 = 299,453,706.78/x
  3. Step 3: Cross multiply
    458,199,703.11x = 632,448,832.32 × 299,453,706.78
  4. Step 4: Simplify right side
    458,199,703.11x = 189,389,147,186,906,656
  5. Step 5: Solve for x
    x = 189,389,147,186,906,656/458,199,703.11
  6. Step 6: Final answer
    x = 413,333,194.90

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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.