Home / 680,162,481.90-1,019,769,377.58-301,368,693.92

Finding the Fourth Proportional to 680,162,481.90, 1,019,769,377.58 and 301,368,693.92

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Solution

The fourth proportional to 680,162,481.90, 1,019,769,377.58 and 301,368,693.92 is: 451,842,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,162,481.90 : 1,019,769,377.58 = 301,368,693.92 : x
  2. Step 2: Convert to fraction form
    680,162,481.90/1,019,769,377.58 = 301,368,693.92/x
  3. Step 3: Cross multiply
    680,162,481.90x = 1,019,769,377.58 × 301,368,693.92
  4. Step 4: Simplify right side
    680,162,481.90x = 307,326,565,420,895,936
  5. Step 5: Solve for x
    x = 307,326,565,420,895,936/680,162,481.90
  6. Step 6: Final answer
    x = 451,842,866.37

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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.