Home / 1,110,264,046.10-1,664,201,675.55-419,904,545.30

Finding the Fourth Proportional to 1,110,264,046.10, 1,664,201,675.55 and 419,904,545.30

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Solution

The fourth proportional to 1,110,264,046.10, 1,664,201,675.55 and 419,904,545.30 is: 629,405,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,264,046.10 : 1,664,201,675.55 = 419,904,545.30 : x
  2. Step 2: Convert to fraction form
    1,110,264,046.10/1,664,201,675.55 = 419,904,545.30/x
  3. Step 3: Cross multiply
    1,110,264,046.10x = 1,664,201,675.55 × 419,904,545.30
  4. Step 4: Simplify right side
    1,110,264,046.10x = 698,805,847,859,320,832
  5. Step 5: Solve for x
    x = 698,805,847,859,320,832/1,110,264,046.10
  6. Step 6: Final answer
    x = 629,405,095.40

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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.