Home / 463,188,039.79-639,210,601.23-251,503,791.76

Finding the Fourth Proportional to 463,188,039.79, 639,210,601.23 and 251,503,791.76

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Solution

The fourth proportional to 463,188,039.79, 639,210,601.23 and 251,503,791.76 is: 347,081,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,188,039.79 : 639,210,601.23 = 251,503,791.76 : x
  2. Step 2: Convert to fraction form
    463,188,039.79/639,210,601.23 = 251,503,791.76/x
  3. Step 3: Cross multiply
    463,188,039.79x = 639,210,601.23 × 251,503,791.76
  4. Step 4: Simplify right side
    463,188,039.79x = 160,763,889,941,304,640
  5. Step 5: Solve for x
    x = 160,763,889,941,304,640/463,188,039.79
  6. Step 6: Final answer
    x = 347,081,263.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.