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Finding the Fourth Proportional to 633,895,701.63, 874,645,073.22 and 365,966,891.31

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Solution

The fourth proportional to 633,895,701.63, 874,645,073.22 and 365,966,891.31 is: 504,958,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,895,701.63 : 874,645,073.22 = 365,966,891.31 : x
  2. Step 2: Convert to fraction form
    633,895,701.63/874,645,073.22 = 365,966,891.31/x
  3. Step 3: Cross multiply
    633,895,701.63x = 874,645,073.22 × 365,966,891.31
  4. Step 4: Simplify right side
    633,895,701.63x = 320,091,138,445,930,752
  5. Step 5: Solve for x
    x = 320,091,138,445,930,752/633,895,701.63
  6. Step 6: Final answer
    x = 504,958,682.67

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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.