Home / 397,846,747.29-545,052,019.38-382,935,654.57

Finding the Fourth Proportional to 397,846,747.29, 545,052,019.38 and 382,935,654.57

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Solution

The fourth proportional to 397,846,747.29, 545,052,019.38 and 382,935,654.57 is: 524,623,748.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,846,747.29 : 545,052,019.38 = 382,935,654.57 : x
  2. Step 2: Convert to fraction form
    397,846,747.29/545,052,019.38 = 382,935,654.57/x
  3. Step 3: Cross multiply
    397,846,747.29x = 545,052,019.38 × 382,935,654.57
  4. Step 4: Simplify right side
    397,846,747.29x = 208,719,851,815,980,608
  5. Step 5: Solve for x
    x = 208,719,851,815,980,608/397,846,747.29
  6. Step 6: Final answer
    x = 524,623,748.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.