Home / 12,258,724,270.82-18,388,086,649.23-2,942,472,198.74

Finding the Fourth Proportional to 12,258,724,270.82, 18,388,086,649.23 and 2,942,472,198.74

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Solution

The fourth proportional to 12,258,724,270.82, 18,388,086,649.23 and 2,942,472,198.74 is: 4,413,708,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,724,270.82 : 18,388,086,649.23 = 2,942,472,198.74 : x
  2. Step 2: Convert to fraction form
    12,258,724,270.82/18,388,086,649.23 = 2,942,472,198.74/x
  3. Step 3: Cross multiply
    12,258,724,270.82x = 18,388,086,649.23 × 2,942,472,198.74
  4. Step 4: Simplify right side
    12,258,724,270.82x = 54,106,433,753,381,429,248
  5. Step 5: Solve for x
    x = 54,106,433,753,381,429,248/12,258,724,270.82
  6. Step 6: Final answer
    x = 4,413,708,356.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.