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Finding the Fourth Proportional to 264,991,038.44, 397,456,147.40 and 70,917,593.40

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Solution

The fourth proportional to 264,991,038.44, 397,456,147.40 and 70,917,593.40 is: 106,368,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,991,038.44 : 397,456,147.40 = 70,917,593.40 : x
  2. Step 2: Convert to fraction form
    264,991,038.44/397,456,147.40 = 70,917,593.40/x
  3. Step 3: Cross multiply
    264,991,038.44x = 397,456,147.40 × 70,917,593.40
  4. Step 4: Simplify right side
    264,991,038.44x = 28,186,633,455,643,668
  5. Step 5: Solve for x
    x = 28,186,633,455,643,668/264,991,038.44
  6. Step 6: Final answer
    x = 106,368,251.63

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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.