Home / 21,244,515,551.21-29,320,002,271.68-12,091,269,869.67

Finding the Fourth Proportional to 21,244,515,551.21, 29,320,002,271.68 and 12,091,269,869.67

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Solution

The fourth proportional to 21,244,515,551.21, 29,320,002,271.68 and 12,091,269,869.67 is: 16,687,415,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,515,551.21 : 29,320,002,271.68 = 12,091,269,869.67 : x
  2. Step 2: Convert to fraction form
    21,244,515,551.21/29,320,002,271.68 = 12,091,269,869.67/x
  3. Step 3: Cross multiply
    21,244,515,551.21x = 29,320,002,271.68 × 12,091,269,869.67
  4. Step 4: Simplify right side
    21,244,515,551.21x = 354,516,060,046,220,328,960
  5. Step 5: Solve for x
    x = 354,516,060,046,220,328,960/21,244,515,551.21
  6. Step 6: Final answer
    x = 16,687,415,591.65

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Double scale
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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.