Home / 361,152,142.80-541,728,214.20-269,183,835.60

Finding the Fourth Proportional to 361,152,142.80, 541,728,214.20 and 269,183,835.60

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Solution

The fourth proportional to 361,152,142.80, 541,728,214.20 and 269,183,835.60 is: 403,775,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,152,142.80 : 541,728,214.20 = 269,183,835.60 : x
  2. Step 2: Convert to fraction form
    361,152,142.80/541,728,214.20 = 269,183,835.60/x
  3. Step 3: Cross multiply
    361,152,142.80x = 541,728,214.20 × 269,183,835.60
  4. Step 4: Simplify right side
    361,152,142.80x = 145,824,478,551,094,400
  5. Step 5: Solve for x
    x = 145,824,478,551,094,400/361,152,142.80
  6. Step 6: Final answer
    x = 403,775,753.40

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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.