Home / 510,042,722.22-765,061,515.31-199,181,905.08

Finding the Fourth Proportional to 510,042,722.22, 765,061,515.31 and 199,181,905.08

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Solution

The fourth proportional to 510,042,722.22, 765,061,515.31 and 199,181,905.08 is: 298,771,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,042,722.22 : 765,061,515.31 = 199,181,905.08 : x
  2. Step 2: Convert to fraction form
    510,042,722.22/765,061,515.31 = 199,181,905.08/x
  3. Step 3: Cross multiply
    510,042,722.22x = 765,061,515.31 × 199,181,905.08
  4. Step 4: Simplify right side
    510,042,722.22x = 152,386,410,122,837,376
  5. Step 5: Solve for x
    x = 152,386,410,122,837,376/510,042,722.22
  6. Step 6: Final answer
    x = 298,771,854.76

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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.