Home / 814,800,621.60-1,222,200,932.40-297,247,946.40

Finding the Fourth Proportional to 814,800,621.60, 1,222,200,932.40 and 297,247,946.40

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Solution

The fourth proportional to 814,800,621.60, 1,222,200,932.40 and 297,247,946.40 is: 445,871,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,800,621.60 : 1,222,200,932.40 = 297,247,946.40 : x
  2. Step 2: Convert to fraction form
    814,800,621.60/1,222,200,932.40 = 297,247,946.40/x
  3. Step 3: Cross multiply
    814,800,621.60x = 1,222,200,932.40 × 297,247,946.40
  4. Step 4: Simplify right side
    814,800,621.60x = 363,296,717,244,065,216
  5. Step 5: Solve for x
    x = 363,296,717,244,065,216/814,800,621.60
  6. Step 6: Final answer
    x = 445,871,919.60

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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.