Home / 638,354,658.72-957,702,574-229,414,352.16

Finding the Fourth Proportional to 638,354,658.72, 957,702,574 and 229,414,352.16

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Solution

The fourth proportional to 638,354,658.72, 957,702,574 and 229,414,352.16 is: 344,182,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,354,658.72 : 957,702,574 = 229,414,352.16 : x
  2. Step 2: Convert to fraction form
    638,354,658.72/957,702,574 = 229,414,352.16/x
  3. Step 3: Cross multiply
    638,354,658.72x = 957,702,574 × 229,414,352.16
  4. Step 4: Simplify right side
    638,354,658.72x = 219,710,715,576,174,464
  5. Step 5: Solve for x
    x = 219,710,715,576,174,464/638,354,658.72
  6. Step 6: Final answer
    x = 344,182,834.06

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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.