Home / 295,142,960.21-443,386,286.72-213,513,622.61

Finding the Fourth Proportional to 295,142,960.21, 443,386,286.72 and 213,513,622.61

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Solution

The fourth proportional to 295,142,960.21, 443,386,286.72 and 213,513,622.61 is: 320,756,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,142,960.21 : 443,386,286.72 = 213,513,622.61 : x
  2. Step 2: Convert to fraction form
    295,142,960.21/443,386,286.72 = 213,513,622.61/x
  3. Step 3: Cross multiply
    295,142,960.21x = 443,386,286.72 × 213,513,622.61
  4. Step 4: Simplify right side
    295,142,960.21x = 94,669,012,293,183,344
  5. Step 5: Solve for x
    x = 94,669,012,293,183,344/295,142,960.21
  6. Step 6: Final answer
    x = 320,756,464.01

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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.