Home / 3,432,221,453.32-5,148,380,011.30-978,558,356.32

Finding the Fourth Proportional to 3,432,221,453.32, 5,148,380,011.30 and 978,558,356.32

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Solution

The fourth proportional to 3,432,221,453.32, 5,148,380,011.30 and 978,558,356.32 is: 1,467,851,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432,221,453.32 : 5,148,380,011.30 = 978,558,356.32 : x
  2. Step 2: Convert to fraction form
    3,432,221,453.32/5,148,380,011.30 = 978,558,356.32/x
  3. Step 3: Cross multiply
    3,432,221,453.32x = 5,148,380,011.30 × 978,558,356.32
  4. Step 4: Simplify right side
    3,432,221,453.32x = 5,037,990,281,568,471,040
  5. Step 5: Solve for x
    x = 5,037,990,281,568,471,040/3,432,221,453.32
  6. Step 6: Final answer
    x = 1,467,851,171.64

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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.