Home / 664,320,999.90-996,481,499.85-470,451,323.10

Finding the Fourth Proportional to 664,320,999.90, 996,481,499.85 and 470,451,323.10

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Solution

The fourth proportional to 664,320,999.90, 996,481,499.85 and 470,451,323.10 is: 705,676,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,320,999.90 : 996,481,499.85 = 470,451,323.10 : x
  2. Step 2: Convert to fraction form
    664,320,999.90/996,481,499.85 = 470,451,323.10/x
  3. Step 3: Cross multiply
    664,320,999.90x = 996,481,499.85 × 470,451,323.10
  4. Step 4: Simplify right side
    664,320,999.90x = 468,796,040,049,104,960
  5. Step 5: Solve for x
    x = 468,796,040,049,104,960/664,320,999.90
  6. Step 6: Final answer
    x = 705,676,984.65

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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.