Home / 438,438,022.56-605,044,261.62-262,226,014.38

Finding the Fourth Proportional to 438,438,022.56, 605,044,261.62 and 262,226,014.38

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Solution

The fourth proportional to 438,438,022.56, 605,044,261.62 and 262,226,014.38 is: 361,871,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,438,022.56 : 605,044,261.62 = 262,226,014.38 : x
  2. Step 2: Convert to fraction form
    438,438,022.56/605,044,261.62 = 262,226,014.38/x
  3. Step 3: Cross multiply
    438,438,022.56x = 605,044,261.62 × 262,226,014.38
  4. Step 4: Simplify right side
    438,438,022.56x = 158,658,345,248,102,592
  5. Step 5: Solve for x
    x = 158,658,345,248,102,592/438,438,022.56
  6. Step 6: Final answer
    x = 361,871,774.54

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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.