Home / 284,879,201.70-427,318,802.55-281,855,892.90

Finding the Fourth Proportional to 284,879,201.70, 427,318,802.55 and 281,855,892.90

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Solution

The fourth proportional to 284,879,201.70, 427,318,802.55 and 281,855,892.90 is: 422,783,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,879,201.70 : 427,318,802.55 = 281,855,892.90 : x
  2. Step 2: Convert to fraction form
    284,879,201.70/427,318,802.55 = 281,855,892.90/x
  3. Step 3: Cross multiply
    284,879,201.70x = 427,318,802.55 × 281,855,892.90
  4. Step 4: Simplify right side
    284,879,201.70x = 120,442,322,645,689,040
  5. Step 5: Solve for x
    x = 120,442,322,645,689,040/284,879,201.70
  6. Step 6: Final answer
    x = 422,783,839.35

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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.