Home / 12,885,505,026.72-19,328,279,960.40-4,043,022,476.16

Finding the Fourth Proportional to 12,885,505,026.72, 19,328,279,960.40 and 4,043,022,476.16

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Solution

The fourth proportional to 12,885,505,026.72, 19,328,279,960.40 and 4,043,022,476.16 is: 6,064,540,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,505,026.72 : 19,328,279,960.40 = 4,043,022,476.16 : x
  2. Step 2: Convert to fraction form
    12,885,505,026.72/19,328,279,960.40 = 4,043,022,476.16/x
  3. Step 3: Cross multiply
    12,885,505,026.72x = 19,328,279,960.40 × 4,043,022,476.16
  4. Step 4: Simplify right side
    12,885,505,026.72x = 78,144,670,305,410,121,728
  5. Step 5: Solve for x
    x = 78,144,670,305,410,121,728/12,885,505,026.72
  6. Step 6: Final answer
    x = 6,064,540,748.96

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1.5x scale

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.