Home / 1,987,081,228.46-2,742,190,230.03-1,095,039,961.31

Finding the Fourth Proportional to 1,987,081,228.46, 2,742,190,230.03 and 1,095,039,961.31

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Solution

The fourth proportional to 1,987,081,228.46, 2,742,190,230.03 and 1,095,039,961.31 is: 1,511,165,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,081,228.46 : 2,742,190,230.03 = 1,095,039,961.31 : x
  2. Step 2: Convert to fraction form
    1,987,081,228.46/2,742,190,230.03 = 1,095,039,961.31/x
  3. Step 3: Cross multiply
    1,987,081,228.46x = 2,742,190,230.03 × 1,095,039,961.31
  4. Step 4: Simplify right side
    1,987,081,228.46x = 3,002,807,883,396,711,424
  5. Step 5: Solve for x
    x = 3,002,807,883,396,711,424/1,987,081,228.46
  6. Step 6: Final answer
    x = 1,511,165,140.30

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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.