Home / 816,508,171.65-1,224,769,345.51-263,810,659.14

Finding the Fourth Proportional to 816,508,171.65, 1,224,769,345.51 and 263,810,659.14

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Solution

The fourth proportional to 816,508,171.65, 1,224,769,345.51 and 263,810,659.14 is: 395,718,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,508,171.65 : 1,224,769,345.51 = 263,810,659.14 : x
  2. Step 2: Convert to fraction form
    816,508,171.65/1,224,769,345.51 = 263,810,659.14/x
  3. Step 3: Cross multiply
    816,508,171.65x = 1,224,769,345.51 × 263,810,659.14
  4. Step 4: Simplify right side
    816,508,171.65x = 323,107,208,333,459,456
  5. Step 5: Solve for x
    x = 323,107,208,333,459,456/816,508,171.65
  6. Step 6: Final answer
    x = 395,718,278.83

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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.