Home / 640,935,250.93-961,268,353.62-180,765,803.44

Finding the Fourth Proportional to 640,935,250.93, 961,268,353.62 and 180,765,803.44

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Solution

The fourth proportional to 640,935,250.93, 961,268,353.62 and 180,765,803.44 is: 271,110,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,935,250.93 : 961,268,353.62 = 180,765,803.44 : x
  2. Step 2: Convert to fraction form
    640,935,250.93/961,268,353.62 = 180,765,803.44/x
  3. Step 3: Cross multiply
    640,935,250.93x = 961,268,353.62 × 180,765,803.44
  4. Step 4: Simplify right side
    640,935,250.93x = 173,764,446,263,565,344
  5. Step 5: Solve for x
    x = 173,764,446,263,565,344/640,935,250.93
  6. Step 6: Final answer
    x = 271,110,765.11

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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.