Home / 1,192,309,869.80-1,788,731,546.41-363,328,391.87

Finding the Fourth Proportional to 1,192,309,869.80, 1,788,731,546.41 and 363,328,391.87

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Solution

The fourth proportional to 1,192,309,869.80, 1,788,731,546.41 and 363,328,391.87 is: 545,073,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,309,869.80 : 1,788,731,546.41 = 363,328,391.87 : x
  2. Step 2: Convert to fraction form
    1,192,309,869.80/1,788,731,546.41 = 363,328,391.87/x
  3. Step 3: Cross multiply
    1,192,309,869.80x = 1,788,731,546.41 × 363,328,391.87
  4. Step 4: Simplify right side
    1,192,309,869.80x = 649,896,956,242,519,936
  5. Step 5: Solve for x
    x = 649,896,956,242,519,936/1,192,309,869.80
  6. Step 6: Final answer
    x = 545,073,871.07

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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.