Home / 2,819,104,659.60-4,228,656,989.40-978,665,427.60

Finding the Fourth Proportional to 2,819,104,659.60, 4,228,656,989.40 and 978,665,427.60

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Solution

The fourth proportional to 2,819,104,659.60, 4,228,656,989.40 and 978,665,427.60 is: 1,467,998,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,104,659.60 : 4,228,656,989.40 = 978,665,427.60 : x
  2. Step 2: Convert to fraction form
    2,819,104,659.60/4,228,656,989.40 = 978,665,427.60/x
  3. Step 3: Cross multiply
    2,819,104,659.60x = 4,228,656,989.40 × 978,665,427.60
  4. Step 4: Simplify right side
    2,819,104,659.60x = 4,138,440,400,704,879,616
  5. Step 5: Solve for x
    x = 4,138,440,400,704,879,616/2,819,104,659.60
  6. Step 6: Final answer
    x = 1,467,998,141.40

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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.