Home / 2,167,909,737.38-2,991,715,437.29-1,228,112,379.29

Finding the Fourth Proportional to 2,167,909,737.38, 2,991,715,437.29 and 1,228,112,379.29

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Solution

The fourth proportional to 2,167,909,737.38, 2,991,715,437.29 and 1,228,112,379.29 is: 1,694,795,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,909,737.38 : 2,991,715,437.29 = 1,228,112,379.29 : x
  2. Step 2: Convert to fraction form
    2,167,909,737.38/2,991,715,437.29 = 1,228,112,379.29/x
  3. Step 3: Cross multiply
    2,167,909,737.38x = 2,991,715,437.29 × 1,228,112,379.29
  4. Step 4: Simplify right side
    2,167,909,737.38x = 3,674,162,763,850,183,168
  5. Step 5: Solve for x
    x = 3,674,162,763,850,183,168/2,167,909,737.38
  6. Step 6: Final answer
    x = 1,694,795,083.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.