Home / 1,997,938,999.70-2,996,908,499.55-1,967,327,998.10

Finding the Fourth Proportional to 1,997,938,999.70, 2,996,908,499.55 and 1,967,327,998.10

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Solution

The fourth proportional to 1,997,938,999.70, 2,996,908,499.55 and 1,967,327,998.10 is: 2,950,991,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,938,999.70 : 2,996,908,499.55 = 1,967,327,998.10 : x
  2. Step 2: Convert to fraction form
    1,997,938,999.70/2,996,908,499.55 = 1,967,327,998.10/x
  3. Step 3: Cross multiply
    1,997,938,999.70x = 2,996,908,499.55 × 1,967,327,998.10
  4. Step 4: Simplify right side
    1,997,938,999.70x = 5,895,901,998,908,576,768
  5. Step 5: Solve for x
    x = 5,895,901,998,908,576,768/1,997,938,999.70
  6. Step 6: Final answer
    x = 2,950,991,997.15

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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.