Home / 1,328,786,691.12-1,991,308,699.68-1,016,686,006.64

Finding the Fourth Proportional to 1,328,786,691.12, 1,991,308,699.68 and 1,016,686,006.64

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Solution

The fourth proportional to 1,328,786,691.12, 1,991,308,699.68 and 1,016,686,006.64 is: 1,523,597,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,786,691.12 : 1,991,308,699.68 = 1,016,686,006.64 : x
  2. Step 2: Convert to fraction form
    1,328,786,691.12/1,991,308,699.68 = 1,016,686,006.64/x
  3. Step 3: Cross multiply
    1,328,786,691.12x = 1,991,308,699.68 × 1,016,686,006.64
  4. Step 4: Simplify right side
    1,328,786,691.12x = 2,024,535,689,865,150,208
  5. Step 5: Solve for x
    x = 2,024,535,689,865,150,208/1,328,786,691.12
  6. Step 6: Final answer
    x = 1,523,597,205.93

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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.