Home / 1,692,300,805.60-2,538,451,208.40-1,401,496,290.40

Finding the Fourth Proportional to 1,692,300,805.60, 2,538,451,208.40 and 1,401,496,290.40

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Solution

The fourth proportional to 1,692,300,805.60, 2,538,451,208.40 and 1,401,496,290.40 is: 2,102,244,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,300,805.60 : 2,538,451,208.40 = 1,401,496,290.40 : x
  2. Step 2: Convert to fraction form
    1,692,300,805.60/2,538,451,208.40 = 1,401,496,290.40/x
  3. Step 3: Cross multiply
    1,692,300,805.60x = 2,538,451,208.40 × 1,401,496,290.40
  4. Step 4: Simplify right side
    1,692,300,805.60x = 3,557,629,951,933,997,568
  5. Step 5: Solve for x
    x = 3,557,629,951,933,997,568/1,692,300,805.60
  6. Step 6: Final answer
    x = 2,102,244,435.60

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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.