Home / 1,284,469,742.32-1,926,540,260.34-410,998,038.64

Finding the Fourth Proportional to 1,284,469,742.32, 1,926,540,260.34 and 410,998,038.64

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Solution

The fourth proportional to 1,284,469,742.32, 1,926,540,260.34 and 410,998,038.64 is: 616,444,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,469,742.32 : 1,926,540,260.34 = 410,998,038.64 : x
  2. Step 2: Convert to fraction form
    1,284,469,742.32/1,926,540,260.34 = 410,998,038.64/x
  3. Step 3: Cross multiply
    1,284,469,742.32x = 1,926,540,260.34 × 410,998,038.64
  4. Step 4: Simplify right side
    1,284,469,742.32x = 791,804,268,360,734,976
  5. Step 5: Solve for x
    x = 791,804,268,360,734,976/1,284,469,742.32
  6. Step 6: Final answer
    x = 616,444,469.09

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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.