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Finding the Fourth Proportional to 463,669,911.10, 695,504,866.65 and 248,679,063.10

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Solution

The fourth proportional to 463,669,911.10, 695,504,866.65 and 248,679,063.10 is: 373,018,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,669,911.10 : 695,504,866.65 = 248,679,063.10 : x
  2. Step 2: Convert to fraction form
    463,669,911.10/695,504,866.65 = 248,679,063.10/x
  3. Step 3: Cross multiply
    463,669,911.10x = 695,504,866.65 × 248,679,063.10
  4. Step 4: Simplify right side
    463,669,911.10x = 172,957,498,620,012,416
  5. Step 5: Solve for x
    x = 172,957,498,620,012,416/463,669,911.10
  6. Step 6: Final answer
    x = 373,018,594.65

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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.