Home / 622,441,267.62-858,969,786.33-358,117,959.23

Finding the Fourth Proportional to 622,441,267.62, 858,969,786.33 and 358,117,959.23

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Solution

The fourth proportional to 622,441,267.62, 858,969,786.33 and 358,117,959.23 is: 494,203,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,441,267.62 : 858,969,786.33 = 358,117,959.23 : x
  2. Step 2: Convert to fraction form
    622,441,267.62/858,969,786.33 = 358,117,959.23/x
  3. Step 3: Cross multiply
    622,441,267.62x = 858,969,786.33 × 358,117,959.23
  4. Step 4: Simplify right side
    622,441,267.62x = 307,612,506,916,433,920
  5. Step 5: Solve for x
    x = 307,612,506,916,433,920/622,441,267.62
  6. Step 6: Final answer
    x = 494,203,265.30

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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.