Home / 12,162,447,388.43-18,237,020,435.74-9,657,466,850.73

Finding the Fourth Proportional to 12,162,447,388.43, 18,237,020,435.74 and 9,657,466,850.73

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Solution

The fourth proportional to 12,162,447,388.43, 18,237,020,435.74 and 9,657,466,850.73 is: 14,480,919,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,447,388.43 : 18,237,020,435.74 = 9,657,466,850.73 : x
  2. Step 2: Convert to fraction form
    12,162,447,388.43/18,237,020,435.74 = 9,657,466,850.73/x
  3. Step 3: Cross multiply
    12,162,447,388.43x = 18,237,020,435.74 × 9,657,466,850.73
  4. Step 4: Simplify right side
    12,162,447,388.43x = 176,123,420,314,226,950,144
  5. Step 5: Solve for x
    x = 176,123,420,314,226,950,144/12,162,447,388.43
  6. Step 6: Final answer
    x = 14,480,919,398.00

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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.