Home / 13,119,379,932.84-18,117,248,208.74-12,404,644,480.43

Finding the Fourth Proportional to 13,119,379,932.84, 18,117,248,208.74 and 12,404,644,480.43

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Solution

The fourth proportional to 13,119,379,932.84, 18,117,248,208.74 and 12,404,644,480.43 is: 17,130,232,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,379,932.84 : 18,117,248,208.74 = 12,404,644,480.43 : x
  2. Step 2: Convert to fraction form
    13,119,379,932.84/18,117,248,208.74 = 12,404,644,480.43/x
  3. Step 3: Cross multiply
    13,119,379,932.84x = 18,117,248,208.74 × 12,404,644,480.43
  4. Step 4: Simplify right side
    13,119,379,932.84x = 224,738,022,992,974,315,520
  5. Step 5: Solve for x
    x = 224,738,022,992,974,315,520/13,119,379,932.84
  6. Step 6: Final answer
    x = 17,130,232,079.83

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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.