Home / 463,858,101.16-639,523,353.08-300,435,635.72

Finding the Fourth Proportional to 463,858,101.16, 639,523,353.08 and 300,435,635.72

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Solution

The fourth proportional to 463,858,101.16, 639,523,353.08 and 300,435,635.72 is: 414,212,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,858,101.16 : 639,523,353.08 = 300,435,635.72 : x
  2. Step 2: Convert to fraction form
    463,858,101.16/639,523,353.08 = 300,435,635.72/x
  3. Step 3: Cross multiply
    463,858,101.16x = 639,523,353.08 × 300,435,635.72
  4. Step 4: Simplify right side
    463,858,101.16x = 192,135,605,140,610,656
  5. Step 5: Solve for x
    x = 192,135,605,140,610,656/463,858,101.16
  6. Step 6: Final answer
    x = 414,212,028.76

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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.