Home / 765,230,668.96-1,148,028,160.55-247,661,109.42

Finding the Fourth Proportional to 765,230,668.96, 1,148,028,160.55 and 247,661,109.42

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Solution

The fourth proportional to 765,230,668.96, 1,148,028,160.55 and 247,661,109.42 is: 371,550,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,230,668.96 : 1,148,028,160.55 = 247,661,109.42 : x
  2. Step 2: Convert to fraction form
    765,230,668.96/1,148,028,160.55 = 247,661,109.42/x
  3. Step 3: Cross multiply
    765,230,668.96x = 1,148,028,160.55 × 247,661,109.42
  4. Step 4: Simplify right side
    765,230,668.96x = 284,321,927,887,214,848
  5. Step 5: Solve for x
    x = 284,321,927,887,214,848/765,230,668.96
  6. Step 6: Final answer
    x = 371,550,617.90

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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.