Home / 1,987,081,209.12-2,742,190,203.38-1,095,039,942

Finding the Fourth Proportional to 1,987,081,209.12, 2,742,190,203.38 and 1,095,039,942

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Solution

The fourth proportional to 1,987,081,209.12, 2,742,190,203.38 and 1,095,039,942 is: 1,511,165,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,081,209.12 : 2,742,190,203.38 = 1,095,039,942 : x
  2. Step 2: Convert to fraction form
    1,987,081,209.12/2,742,190,203.38 = 1,095,039,942/x
  3. Step 3: Cross multiply
    1,987,081,209.12x = 2,742,190,203.38 × 1,095,039,942
  4. Step 4: Simplify right side
    1,987,081,209.12x = 3,002,807,801,262,203,392
  5. Step 5: Solve for x
    x = 3,002,807,801,262,203,392/1,987,081,209.12
  6. Step 6: Final answer
    x = 1,511,165,113.68

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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.