Home / 373,224,832.47-515,050,490.39-208,212,401.97

Finding the Fourth Proportional to 373,224,832.47, 515,050,490.39 and 208,212,401.97

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Solution

The fourth proportional to 373,224,832.47, 515,050,490.39 and 208,212,401.97 is: 287,333,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,224,832.47 : 515,050,490.39 = 208,212,401.97 : x
  2. Step 2: Convert to fraction form
    373,224,832.47/515,050,490.39 = 208,212,401.97/x
  3. Step 3: Cross multiply
    373,224,832.47x = 515,050,490.39 × 208,212,401.97
  4. Step 4: Simplify right side
    373,224,832.47x = 107,239,899,739,928,304
  5. Step 5: Solve for x
    x = 107,239,899,739,928,304/373,224,832.47
  6. Step 6: Final answer
    x = 287,333,238.33

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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.