Home / 476,419,147.56-657,379,319.94-280,822,265.64

Finding the Fourth Proportional to 476,419,147.56, 657,379,319.94 and 280,822,265.64

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Solution

The fourth proportional to 476,419,147.56, 657,379,319.94 and 280,822,265.64 is: 387,488,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,419,147.56 : 657,379,319.94 = 280,822,265.64 : x
  2. Step 2: Convert to fraction form
    476,419,147.56/657,379,319.94 = 280,822,265.64/x
  3. Step 3: Cross multiply
    476,419,147.56x = 657,379,319.94 × 280,822,265.64
  4. Step 4: Simplify right side
    476,419,147.56x = 184,606,750,010,433,248
  5. Step 5: Solve for x
    x = 184,606,750,010,433,248/476,419,147.56
  6. Step 6: Final answer
    x = 387,488,099.41

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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.