Home / 649,950,481.31-896,855,995.89-363,857,673.49

Finding the Fourth Proportional to 649,950,481.31, 896,855,995.89 and 363,857,673.49

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Solution

The fourth proportional to 649,950,481.31, 896,855,995.89 and 363,857,673.49 is: 502,081,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,950,481.31 : 896,855,995.89 = 363,857,673.49 : x
  2. Step 2: Convert to fraction form
    649,950,481.31/896,855,995.89 = 363,857,673.49/x
  3. Step 3: Cross multiply
    649,950,481.31x = 896,855,995.89 × 363,857,673.49
  4. Step 4: Simplify right side
    649,950,481.31x = 326,327,936,117,850,240
  5. Step 5: Solve for x
    x = 326,327,936,117,850,240/649,950,481.31
  6. Step 6: Final answer
    x = 502,081,228.50

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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.