Home / 792,451,314.14-1,188,675,387.21-210,243,917.66

Finding the Fourth Proportional to 792,451,314.14, 1,188,675,387.21 and 210,243,917.66

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Solution

The fourth proportional to 792,451,314.14, 1,188,675,387.21 and 210,243,917.66 is: 315,365,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,451,314.14 : 1,188,675,387.21 = 210,243,917.66 : x
  2. Step 2: Convert to fraction form
    792,451,314.14/1,188,675,387.21 = 210,243,917.66/x
  3. Step 3: Cross multiply
    792,451,314.14x = 1,188,675,387.21 × 210,243,917.66
  4. Step 4: Simplify right side
    792,451,314.14x = 249,911,770,233,047,872
  5. Step 5: Solve for x
    x = 249,911,770,233,047,872/792,451,314.14
  6. Step 6: Final answer
    x = 315,365,456.24

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Double scale
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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.