Home / 386,548,791.43-533,432,848.12-210,333,750.73

Finding the Fourth Proportional to 386,548,791.43, 533,432,848.12 and 210,333,750.73

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Solution

The fourth proportional to 386,548,791.43, 533,432,848.12 and 210,333,750.73 is: 290,258,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,548,791.43 : 533,432,848.12 = 210,333,750.73 : x
  2. Step 2: Convert to fraction form
    386,548,791.43/533,432,848.12 = 210,333,750.73/x
  3. Step 3: Cross multiply
    386,548,791.43x = 533,432,848.12 × 210,333,750.73
  4. Step 4: Simplify right side
    386,548,791.43x = 112,198,931,707,666,032
  5. Step 5: Solve for x
    x = 112,198,931,707,666,032/386,548,791.43
  6. Step 6: Final answer
    x = 290,258,136.09

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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.