Home / 346,009,299.82-477,491,115.16-187,239,310.90

Finding the Fourth Proportional to 346,009,299.82, 477,491,115.16 and 187,239,310.90

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Solution

The fourth proportional to 346,009,299.82, 477,491,115.16 and 187,239,310.90 is: 258,389,319.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,009,299.82 : 477,491,115.16 = 187,239,310.90 : x
  2. Step 2: Convert to fraction form
    346,009,299.82/477,491,115.16 = 187,239,310.90/x
  3. Step 3: Cross multiply
    346,009,299.82x = 477,491,115.16 × 187,239,310.90
  4. Step 4: Simplify right side
    346,009,299.82x = 89,405,107,363,430,944
  5. Step 5: Solve for x
    x = 89,405,107,363,430,944/346,009,299.82
  6. Step 6: Final answer
    x = 258,389,319.04

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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.