Home / 1,268,028,127.50-1,902,101,978.37-1,046,288,189.60

Finding the Fourth Proportional to 1,268,028,127.50, 1,902,101,978.37 and 1,046,288,189.60

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Solution

The fourth proportional to 1,268,028,127.50, 1,902,101,978.37 and 1,046,288,189.60 is: 1,569,481,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,028,127.50 : 1,902,101,978.37 = 1,046,288,189.60 : x
  2. Step 2: Convert to fraction form
    1,268,028,127.50/1,902,101,978.37 = 1,046,288,189.60/x
  3. Step 3: Cross multiply
    1,268,028,127.50x = 1,902,101,978.37 × 1,046,288,189.60
  4. Step 4: Simplify right side
    1,268,028,127.50x = 1,990,146,835,385,132,032
  5. Step 5: Solve for x
    x = 1,990,146,835,385,132,032/1,268,028,127.50
  6. Step 6: Final answer
    x = 1,569,481,616.55

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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.