Home / 284,885,518.30-427,328,277.45-238,969,015.90

Finding the Fourth Proportional to 284,885,518.30, 427,328,277.45 and 238,969,015.90

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Solution

The fourth proportional to 284,885,518.30, 427,328,277.45 and 238,969,015.90 is: 358,453,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,885,518.30 : 427,328,277.45 = 238,969,015.90 : x
  2. Step 2: Convert to fraction form
    284,885,518.30/427,328,277.45 = 238,969,015.90/x
  3. Step 3: Cross multiply
    284,885,518.30x = 427,328,277.45 × 238,969,015.90
  4. Step 4: Simplify right side
    284,885,518.30x = 102,118,217,928,468,656
  5. Step 5: Solve for x
    x = 102,118,217,928,468,656/284,885,518.30
  6. Step 6: Final answer
    x = 358,453,523.85

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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.