Home / 459,561,068.46-689,450,548.10-132,028,665.75

Finding the Fourth Proportional to 459,561,068.46, 689,450,548.10 and 132,028,665.75

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Solution

The fourth proportional to 459,561,068.46, 689,450,548.10 and 132,028,665.75 is: 198,074,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,561,068.46 : 689,450,548.10 = 132,028,665.75 : x
  2. Step 2: Convert to fraction form
    459,561,068.46/689,450,548.10 = 132,028,665.75/x
  3. Step 3: Cross multiply
    459,561,068.46x = 689,450,548.10 × 132,028,665.75
  4. Step 4: Simplify right side
    459,561,068.46x = 91,027,235,965,589,056
  5. Step 5: Solve for x
    x = 91,027,235,965,589,056/459,561,068.46
  6. Step 6: Final answer
    x = 198,074,297.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.