Home / 850,415,999.10-1,275,623,998.65-204,183,743.10

Finding the Fourth Proportional to 850,415,999.10, 1,275,623,998.65 and 204,183,743.10

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Solution

The fourth proportional to 850,415,999.10, 1,275,623,998.65 and 204,183,743.10 is: 306,275,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,415,999.10 : 1,275,623,998.65 = 204,183,743.10 : x
  2. Step 2: Convert to fraction form
    850,415,999.10/1,275,623,998.65 = 204,183,743.10/x
  3. Step 3: Cross multiply
    850,415,999.10x = 1,275,623,998.65 × 204,183,743.10
  4. Step 4: Simplify right side
    850,415,999.10x = 260,461,682,832,546,368
  5. Step 5: Solve for x
    x = 260,461,682,832,546,368/850,415,999.10
  6. Step 6: Final answer
    x = 306,275,614.65

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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.