Home / 404,929,487.36-608,363,227.20-259,647,688.64

Finding the Fourth Proportional to 404,929,487.36, 608,363,227.20 and 259,647,688.64

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Solution

The fourth proportional to 404,929,487.36, 608,363,227.20 and 259,647,688.64 is: 390,092,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,929,487.36 : 608,363,227.20 = 259,647,688.64 : x
  2. Step 2: Convert to fraction form
    404,929,487.36/608,363,227.20 = 259,647,688.64/x
  3. Step 3: Cross multiply
    404,929,487.36x = 608,363,227.20 × 259,647,688.64
  4. Step 4: Simplify right side
    404,929,487.36x = 157,960,105,796,051,168
  5. Step 5: Solve for x
    x = 157,960,105,796,051,168/404,929,487.36
  6. Step 6: Final answer
    x = 390,092,869.81

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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.