Home / 543,108,743.55-815,189,241.95-513,613,768.11

Finding the Fourth Proportional to 543,108,743.55, 815,189,241.95 and 513,613,768.11

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Solution

The fourth proportional to 543,108,743.55, 815,189,241.95 and 513,613,768.11 is: 770,918,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,108,743.55 : 815,189,241.95 = 513,613,768.11 : x
  2. Step 2: Convert to fraction form
    543,108,743.55/815,189,241.95 = 513,613,768.11/x
  3. Step 3: Cross multiply
    543,108,743.55x = 815,189,241.95 × 513,613,768.11
  4. Step 4: Simplify right side
    543,108,743.55x = 418,692,418,278,105,984
  5. Step 5: Solve for x
    x = 418,692,418,278,105,984/543,108,743.55
  6. Step 6: Final answer
    x = 770,918,206.07

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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.