Home / 458,082,854.94-687,769,983.12-328,619,890.74

Finding the Fourth Proportional to 458,082,854.94, 687,769,983.12 and 328,619,890.74

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Solution

The fourth proportional to 458,082,854.94, 687,769,983.12 and 328,619,890.74 is: 493,393,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,082,854.94 : 687,769,983.12 = 328,619,890.74 : x
  2. Step 2: Convert to fraction form
    458,082,854.94/687,769,983.12 = 328,619,890.74/x
  3. Step 3: Cross multiply
    458,082,854.94x = 687,769,983.12 × 328,619,890.74
  4. Step 4: Simplify right side
    458,082,854.94x = 226,014,896,707,146,048
  5. Step 5: Solve for x
    x = 226,014,896,707,146,048/458,082,854.94
  6. Step 6: Final answer
    x = 493,393,049.47

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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.