Home / 649,432,588.23-896,283,769.69-395,131,998.39

Finding the Fourth Proportional to 649,432,588.23, 896,283,769.69 and 395,131,998.39

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Solution

The fourth proportional to 649,432,588.23, 896,283,769.69 and 395,131,998.39 is: 545,322,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,432,588.23 : 896,283,769.69 = 395,131,998.39 : x
  2. Step 2: Convert to fraction form
    649,432,588.23/896,283,769.69 = 395,131,998.39/x
  3. Step 3: Cross multiply
    649,432,588.23x = 896,283,769.69 × 395,131,998.39
  4. Step 4: Simplify right side
    649,432,588.23x = 354,150,397,039,277,952
  5. Step 5: Solve for x
    x = 354,150,397,039,277,952/649,432,588.23
  6. Step 6: Final answer
    x = 545,322,799.41

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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.