Home / 12,951,456,072.80-19,427,184,109.20-12,021,646,899.20

Finding the Fourth Proportional to 12,951,456,072.80, 19,427,184,109.20 and 12,021,646,899.20

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Solution

The fourth proportional to 12,951,456,072.80, 19,427,184,109.20 and 12,021,646,899.20 is: 18,032,470,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,456,072.80 : 19,427,184,109.20 = 12,021,646,899.20 : x
  2. Step 2: Convert to fraction form
    12,951,456,072.80/19,427,184,109.20 = 12,021,646,899.20/x
  3. Step 3: Cross multiply
    12,951,456,072.80x = 19,427,184,109.20 × 12,021,646,899.20
  4. Step 4: Simplify right side
    12,951,456,072.80x = 233,546,747,606,551,724,032
  5. Step 5: Solve for x
    x = 233,546,747,606,551,724,032/12,951,456,072.80
  6. Step 6: Final answer
    x = 18,032,470,348.80

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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.