Home / 331,777,963.20-497,666,944.80-307,591,492.80

Finding the Fourth Proportional to 331,777,963.20, 497,666,944.80 and 307,591,492.80

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Solution

The fourth proportional to 331,777,963.20, 497,666,944.80 and 307,591,492.80 is: 461,387,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,777,963.20 : 497,666,944.80 = 307,591,492.80 : x
  2. Step 2: Convert to fraction form
    331,777,963.20/497,666,944.80 = 307,591,492.80/x
  3. Step 3: Cross multiply
    331,777,963.20x = 497,666,944.80 × 307,591,492.80
  4. Step 4: Simplify right side
    331,777,963.20x = 153,078,118,468,247,200
  5. Step 5: Solve for x
    x = 153,078,118,468,247,200/331,777,963.20
  6. Step 6: Final answer
    x = 461,387,239.20

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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.