Home / 445,164,377,003.62-664,748,821,671.26-363,551,321,085.75

Finding the Fourth Proportional to 445,164,377,003.62, 664,748,821,671.26 and 363,551,321,085.75

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Solution

The fourth proportional to 445,164,377,003.62, 664,748,821,671.26 and 363,551,321,085.75 is: 542,878,821,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,164,377,003.62 : 664,748,821,671.26 = 363,551,321,085.75 : x
  2. Step 2: Convert to fraction form
    445,164,377,003.62/664,748,821,671.26 = 363,551,321,085.75/x
  3. Step 3: Cross multiply
    445,164,377,003.62x = 664,748,821,671.26 × 363,551,321,085.75
  4. Step 4: Simplify right side
    445,164,377,003.62x = 241,670,312,308,782,206,550,016
  5. Step 5: Solve for x
    x = 241,670,312,308,782,206,550,016/445,164,377,003.62
  6. Step 6: Final answer
    x = 542,878,821,381.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.