Home / 375,017,756.72-517,475,425.96-216,253,743.44

Finding the Fourth Proportional to 375,017,756.72, 517,475,425.96 and 216,253,743.44

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Solution

The fourth proportional to 375,017,756.72, 517,475,425.96 and 216,253,743.44 is: 298,401,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,017,756.72 : 517,475,425.96 = 216,253,743.44 : x
  2. Step 2: Convert to fraction form
    375,017,756.72/517,475,425.96 = 216,253,743.44/x
  3. Step 3: Cross multiply
    375,017,756.72x = 517,475,425.96 × 216,253,743.44
  4. Step 4: Simplify right side
    375,017,756.72x = 111,905,998,002,058,544
  5. Step 5: Solve for x
    x = 111,905,998,002,058,544/375,017,756.72
  6. Step 6: Final answer
    x = 298,401,864.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.