Home / 463,998,112.11-640,320,725.71-252,303,425.76

Finding the Fourth Proportional to 463,998,112.11, 640,320,725.71 and 252,303,425.76

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Solution

The fourth proportional to 463,998,112.11, 640,320,725.71 and 252,303,425.76 is: 348,180,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,998,112.11 : 640,320,725.71 = 252,303,425.76 : x
  2. Step 2: Convert to fraction form
    463,998,112.11/640,320,725.71 = 252,303,425.76/x
  3. Step 3: Cross multiply
    463,998,112.11x = 640,320,725.71 × 252,303,425.76
  4. Step 4: Simplify right side
    463,998,112.11x = 161,555,112,681,762,304
  5. Step 5: Solve for x
    x = 161,555,112,681,762,304/463,998,112.11
  6. Step 6: Final answer
    x = 348,180,538.81

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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.