Home / 275,184,043.20-412,776,064.80-254,138,979.60

Finding the Fourth Proportional to 275,184,043.20, 412,776,064.80 and 254,138,979.60

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Solution

The fourth proportional to 275,184,043.20, 412,776,064.80 and 254,138,979.60 is: 381,208,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,184,043.20 : 412,776,064.80 = 254,138,979.60 : x
  2. Step 2: Convert to fraction form
    275,184,043.20/412,776,064.80 = 254,138,979.60/x
  3. Step 3: Cross multiply
    275,184,043.20x = 412,776,064.80 × 254,138,979.60
  4. Step 4: Simplify right side
    275,184,043.20x = 104,902,487,911,575,472
  5. Step 5: Solve for x
    x = 104,902,487,911,575,472/275,184,043.20
  6. Step 6: Final answer
    x = 381,208,469.40

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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.