Home / 705,436,333.80-1,056,879,042.30-603,399,661.80

Finding the Fourth Proportional to 705,436,333.80, 1,056,879,042.30 and 603,399,661.80

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Solution

The fourth proportional to 705,436,333.80, 1,056,879,042.30 and 603,399,661.80 is: 904,008,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,436,333.80 : 1,056,879,042.30 = 603,399,661.80 : x
  2. Step 2: Convert to fraction form
    705,436,333.80/1,056,879,042.30 = 603,399,661.80/x
  3. Step 3: Cross multiply
    705,436,333.80x = 1,056,879,042.30 × 603,399,661.80
  4. Step 4: Simplify right side
    705,436,333.80x = 637,720,456,687,327,872
  5. Step 5: Solve for x
    x = 637,720,456,687,327,872/705,436,333.80
  6. Step 6: Final answer
    x = 904,008,520.87

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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.