Home / 510,118,019.55-765,177,029.33-251,837,693.55

Finding the Fourth Proportional to 510,118,019.55, 765,177,029.33 and 251,837,693.55

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Solution

The fourth proportional to 510,118,019.55, 765,177,029.33 and 251,837,693.55 is: 377,756,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,118,019.55 : 765,177,029.33 = 251,837,693.55 : x
  2. Step 2: Convert to fraction form
    510,118,019.55/765,177,029.33 = 251,837,693.55/x
  3. Step 3: Cross multiply
    510,118,019.55x = 765,177,029.33 × 251,837,693.55
  4. Step 4: Simplify right side
    510,118,019.55x = 192,700,418,222,648,736
  5. Step 5: Solve for x
    x = 192,700,418,222,648,736/510,118,019.55
  6. Step 6: Final answer
    x = 377,756,540.33

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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.