Home / 510,153,770.39-765,352,093.65-165,107,397.38

Finding the Fourth Proportional to 510,153,770.39, 765,352,093.65 and 165,107,397.38

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Solution

The fourth proportional to 510,153,770.39, 765,352,093.65 and 165,107,397.38 is: 247,700,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,153,770.39 : 765,352,093.65 = 165,107,397.38 : x
  2. Step 2: Convert to fraction form
    510,153,770.39/765,352,093.65 = 165,107,397.38/x
  3. Step 3: Cross multiply
    510,153,770.39x = 765,352,093.65 × 165,107,397.38
  4. Step 4: Simplify right side
    510,153,770.39x = 126,365,292,258,058,768
  5. Step 5: Solve for x
    x = 126,365,292,258,058,768/510,153,770.39
  6. Step 6: Final answer
    x = 247,700,398.57

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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.