Home / 353,505,384.54-487,896,794.96-204,919,450.97

Finding the Fourth Proportional to 353,505,384.54, 487,896,794.96 and 204,919,450.97

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Solution

The fourth proportional to 353,505,384.54, 487,896,794.96 and 204,919,450.97 is: 282,823,254.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,505,384.54 : 487,896,794.96 = 204,919,450.97 : x
  2. Step 2: Convert to fraction form
    353,505,384.54/487,896,794.96 = 204,919,450.97/x
  3. Step 3: Cross multiply
    353,505,384.54x = 487,896,794.96 × 204,919,450.97
  4. Step 4: Simplify right side
    353,505,384.54x = 99,979,543,349,761,776
  5. Step 5: Solve for x
    x = 99,979,543,349,761,776/353,505,384.54
  6. Step 6: Final answer
    x = 282,823,254.53

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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.