Home / 2,928,485,181.32-4,392,893,785.02-936,702,190.57

Finding the Fourth Proportional to 2,928,485,181.32, 4,392,893,785.02 and 936,702,190.57

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Solution

The fourth proportional to 2,928,485,181.32, 4,392,893,785.02 and 936,702,190.57 is: 1,405,106,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,485,181.32 : 4,392,893,785.02 = 936,702,190.57 : x
  2. Step 2: Convert to fraction form
    2,928,485,181.32/4,392,893,785.02 = 936,702,190.57/x
  3. Step 3: Cross multiply
    2,928,485,181.32x = 4,392,893,785.02 × 936,702,190.57
  4. Step 4: Simplify right side
    2,928,485,181.32x = 4,114,833,231,370,813,952
  5. Step 5: Solve for x
    x = 4,114,833,231,370,813,952/2,928,485,181.32
  6. Step 6: Final answer
    x = 1,405,106,386.61

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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.