Home / 279,548,880.40-419,323,320.60-277,848,269.20

Finding the Fourth Proportional to 279,548,880.40, 419,323,320.60 and 277,848,269.20

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Solution

The fourth proportional to 279,548,880.40, 419,323,320.60 and 277,848,269.20 is: 416,772,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,548,880.40 : 419,323,320.60 = 277,848,269.20 : x
  2. Step 2: Convert to fraction form
    279,548,880.40/419,323,320.60 = 277,848,269.20/x
  3. Step 3: Cross multiply
    279,548,880.40x = 419,323,320.60 × 277,848,269.20
  4. Step 4: Simplify right side
    279,548,880.40x = 116,508,258,863,906,704
  5. Step 5: Solve for x
    x = 116,508,258,863,906,704/279,548,880.40
  6. Step 6: Final answer
    x = 416,772,403.80

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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.