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Finding the Fourth Proportional to 633,914,480.98, 950,936,946 and 219,390,574.78

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Solution

The fourth proportional to 633,914,480.98, 950,936,946 and 219,390,574.78 is: 329,108,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,914,480.98 : 950,936,946 = 219,390,574.78 : x
  2. Step 2: Convert to fraction form
    633,914,480.98/950,936,946 = 219,390,574.78/x
  3. Step 3: Cross multiply
    633,914,480.98x = 950,936,946 × 219,390,574.78
  4. Step 4: Simplify right side
    633,914,480.98x = 208,626,603,162,477,824
  5. Step 5: Solve for x
    x = 208,626,603,162,477,824/633,914,480.98
  6. Step 6: Final answer
    x = 329,108,435.64

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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.