Home / 510,042,719.72-765,061,511.56-199,181,902.58

Finding the Fourth Proportional to 510,042,719.72, 765,061,511.56 and 199,181,902.58

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Solution

The fourth proportional to 510,042,719.72, 765,061,511.56 and 199,181,902.58 is: 298,771,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,042,719.72 : 765,061,511.56 = 199,181,902.58 : x
  2. Step 2: Convert to fraction form
    510,042,719.72/765,061,511.56 = 199,181,902.58/x
  3. Step 3: Cross multiply
    510,042,719.72x = 765,061,511.56 × 199,181,902.58
  4. Step 4: Simplify right side
    510,042,719.72x = 152,386,407,463,251,456
  5. Step 5: Solve for x
    x = 152,386,407,463,251,456/510,042,719.72
  6. Step 6: Final answer
    x = 298,771,851.01

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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.