Home / 417,505,769.06-626,254,665.89-253,788,727.82

Finding the Fourth Proportional to 417,505,769.06, 626,254,665.89 and 253,788,727.82

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Solution

The fourth proportional to 417,505,769.06, 626,254,665.89 and 253,788,727.82 is: 380,680,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,505,769.06 : 626,254,665.89 = 253,788,727.82 : x
  2. Step 2: Convert to fraction form
    417,505,769.06/626,254,665.89 = 253,788,727.82/x
  3. Step 3: Cross multiply
    417,505,769.06x = 626,254,665.89 × 253,788,727.82
  4. Step 4: Simplify right side
    417,505,769.06x = 158,936,374,943,162,016
  5. Step 5: Solve for x
    x = 158,936,374,943,162,016/417,505,769.06
  6. Step 6: Final answer
    x = 380,680,667.73

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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.