Home / 501,043,942.56-751,320,029.40-205,885,591.50

Finding the Fourth Proportional to 501,043,942.56, 751,320,029.40 and 205,885,591.50

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Solution

The fourth proportional to 501,043,942.56, 751,320,029.40 and 205,885,591.50 is: 308,727,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,043,942.56 : 751,320,029.40 = 205,885,591.50 : x
  2. Step 2: Convert to fraction form
    501,043,942.56/751,320,029.40 = 205,885,591.50/x
  3. Step 3: Cross multiply
    501,043,942.56x = 751,320,029.40 × 205,885,591.50
  4. Step 4: Simplify right side
    501,043,942.56x = 154,685,968,658,816,384
  5. Step 5: Solve for x
    x = 154,685,968,658,816,384/501,043,942.56
  6. Step 6: Final answer
    x = 308,727,350.08

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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.