Home / 1,327,662,004.30-1,991,493,006.45-715,441,972.30

Finding the Fourth Proportional to 1,327,662,004.30, 1,991,493,006.45 and 715,441,972.30

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Solution

The fourth proportional to 1,327,662,004.30, 1,991,493,006.45 and 715,441,972.30 is: 1,073,162,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,662,004.30 : 1,991,493,006.45 = 715,441,972.30 : x
  2. Step 2: Convert to fraction form
    1,327,662,004.30/1,991,493,006.45 = 715,441,972.30/x
  3. Step 3: Cross multiply
    1,327,662,004.30x = 1,991,493,006.45 × 715,441,972.30
  4. Step 4: Simplify right side
    1,327,662,004.30x = 1,424,797,684,356,244,480
  5. Step 5: Solve for x
    x = 1,424,797,684,356,244,480/1,327,662,004.30
  6. Step 6: Final answer
    x = 1,073,162,958.45

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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.