Home / 632,819,816,512.05-873,366,213,057.30-375,903,728,791.92

Finding the Fourth Proportional to 632,819,816,512.05, 873,366,213,057.30 and 375,903,728,791.92

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Solution

The fourth proportional to 632,819,816,512.05, 873,366,213,057.30 and 375,903,728,791.92 is: 518,791,617,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,819,816,512.05 : 873,366,213,057.30 = 375,903,728,791.92 : x
  2. Step 2: Convert to fraction form
    632,819,816,512.05/873,366,213,057.30 = 375,903,728,791.92/x
  3. Step 3: Cross multiply
    632,819,816,512.05x = 873,366,213,057.30 × 375,903,728,791.92
  4. Step 4: Simplify right side
    632,819,816,512.05x = 328,301,616,089,117,497,491,456
  5. Step 5: Solve for x
    x = 328,301,616,089,117,497,491,456/632,819,816,512.05
  6. Step 6: Final answer
    x = 518,791,617,333.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.