Home / 364,831,640.20-547,340,772.30-257,336,216.20

Finding the Fourth Proportional to 364,831,640.20, 547,340,772.30 and 257,336,216.20

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Solution

The fourth proportional to 364,831,640.20, 547,340,772.30 and 257,336,216.20 is: 386,070,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,831,640.20 : 547,340,772.30 = 257,336,216.20 : x
  2. Step 2: Convert to fraction form
    364,831,640.20/547,340,772.30 = 257,336,216.20/x
  3. Step 3: Cross multiply
    364,831,640.20x = 547,340,772.30 × 257,336,216.20
  4. Step 4: Simplify right side
    364,831,640.20x = 140,850,603,315,667,760
  5. Step 5: Solve for x
    x = 140,850,603,315,667,760/364,831,640.20
  6. Step 6: Final answer
    x = 386,070,142.49

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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.