Home / 399,906,576.77-551,648,912.32-232,624,006.25

Finding the Fourth Proportional to 399,906,576.77, 551,648,912.32 and 232,624,006.25

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Solution

The fourth proportional to 399,906,576.77, 551,648,912.32 and 232,624,006.25 is: 320,891,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,906,576.77 : 551,648,912.32 = 232,624,006.25 : x
  2. Step 2: Convert to fraction form
    399,906,576.77/551,648,912.32 = 232,624,006.25/x
  3. Step 3: Cross multiply
    399,906,576.77x = 551,648,912.32 × 232,624,006.25
  4. Step 4: Simplify right side
    399,906,576.77x = 128,326,780,028,130,944
  5. Step 5: Solve for x
    x = 128,326,780,028,130,944/399,906,576.77
  6. Step 6: Final answer
    x = 320,891,896.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.