Home / 510,693,614.48-766,148,022.20-165,620,334.80

Finding the Fourth Proportional to 510,693,614.48, 766,148,022.20 and 165,620,334.80

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Solution

The fourth proportional to 510,693,614.48, 766,148,022.20 and 165,620,334.80 is: 248,465,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,693,614.48 : 766,148,022.20 = 165,620,334.80 : x
  2. Step 2: Convert to fraction form
    510,693,614.48/766,148,022.20 = 165,620,334.80/x
  3. Step 3: Cross multiply
    510,693,614.48x = 766,148,022.20 × 165,620,334.80
  4. Step 4: Simplify right side
    510,693,614.48x = 126,889,691,943,121,856
  5. Step 5: Solve for x
    x = 126,889,691,943,121,856/510,693,614.48
  6. Step 6: Final answer
    x = 248,465,397.54

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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.