Home / 280,577,328.80-419,732,252.40-242,659,997.60

Finding the Fourth Proportional to 280,577,328.80, 419,732,252.40 and 242,659,997.60

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Solution

The fourth proportional to 280,577,328.80, 419,732,252.40 and 242,659,997.60 is: 363,009,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,577,328.80 : 419,732,252.40 = 242,659,997.60 : x
  2. Step 2: Convert to fraction form
    280,577,328.80/419,732,252.40 = 242,659,997.60/x
  3. Step 3: Cross multiply
    280,577,328.80x = 419,732,252.40 × 242,659,997.60
  4. Step 4: Simplify right side
    280,577,328.80x = 101,852,227,360,026,592
  5. Step 5: Solve for x
    x = 101,852,227,360,026,592/280,577,328.80
  6. Step 6: Final answer
    x = 363,009,469.78

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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.