Home / 20,189,527,394.76-30,257,220,835.44-15,713,027,380.08

Finding the Fourth Proportional to 20,189,527,394.76, 30,257,220,835.44 and 15,713,027,380.08

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Solution

The fourth proportional to 20,189,527,394.76, 30,257,220,835.44 and 15,713,027,380.08 is: 23,548,472,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,527,394.76 : 30,257,220,835.44 = 15,713,027,380.08 : x
  2. Step 2: Convert to fraction form
    20,189,527,394.76/30,257,220,835.44 = 15,713,027,380.08/x
  3. Step 3: Cross multiply
    20,189,527,394.76x = 30,257,220,835.44 × 15,713,027,380.08
  4. Step 4: Simplify right side
    20,189,527,394.76x = 475,432,539,432,395,735,040
  5. Step 5: Solve for x
    x = 475,432,539,432,395,735,040/20,189,527,394.76
  6. Step 6: Final answer
    x = 23,548,472,935.32

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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.