Home / 638,330,624.01-957,416,687.24-172,028,527.74

Finding the Fourth Proportional to 638,330,624.01, 957,416,687.24 and 172,028,527.74

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Solution

The fourth proportional to 638,330,624.01, 957,416,687.24 and 172,028,527.74 is: 258,021,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,330,624.01 : 957,416,687.24 = 172,028,527.74 : x
  2. Step 2: Convert to fraction form
    638,330,624.01/957,416,687.24 = 172,028,527.74/x
  3. Step 3: Cross multiply
    638,330,624.01x = 957,416,687.24 × 172,028,527.74
  4. Step 4: Simplify right side
    638,330,624.01x = 164,702,983,138,745,120
  5. Step 5: Solve for x
    x = 164,702,983,138,745,120/638,330,624.01
  6. Step 6: Final answer
    x = 258,021,434.26

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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.