Home / 668,761,916.64-1,002,745,478.33-254,269,078.91

Finding the Fourth Proportional to 668,761,916.64, 1,002,745,478.33 and 254,269,078.91

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Solution

The fourth proportional to 668,761,916.64, 1,002,745,478.33 and 254,269,078.91 is: 381,252,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,761,916.64 : 1,002,745,478.33 = 254,269,078.91 : x
  2. Step 2: Convert to fraction form
    668,761,916.64/1,002,745,478.33 = 254,269,078.91/x
  3. Step 3: Cross multiply
    668,761,916.64x = 1,002,745,478.33 × 254,269,078.91
  4. Step 4: Simplify right side
    668,761,916.64x = 254,967,169,157,372,000
  5. Step 5: Solve for x
    x = 254,967,169,157,372,000/668,761,916.64
  6. Step 6: Final answer
    x = 381,252,524.72

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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.