Home / 396,522,404.47-547,215,685.93-237,778,372.48

Finding the Fourth Proportional to 396,522,404.47, 547,215,685.93 and 237,778,372.48

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Solution

The fourth proportional to 396,522,404.47, 547,215,685.93 and 237,778,372.48 is: 328,143,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522,404.47 : 547,215,685.93 = 237,778,372.48 : x
  2. Step 2: Convert to fraction form
    396,522,404.47/547,215,685.93 = 237,778,372.48/x
  3. Step 3: Cross multiply
    396,522,404.47x = 547,215,685.93 × 237,778,372.48
  4. Step 4: Simplify right side
    396,522,404.47x = 130,116,055,192,037,248
  5. Step 5: Solve for x
    x = 130,116,055,192,037,248/396,522,404.47
  6. Step 6: Final answer
    x = 328,143,009.64

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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.