Home / 705,436,327.80-1,056,879,033.30-603,399,655.80

Finding the Fourth Proportional to 705,436,327.80, 1,056,879,033.30 and 603,399,655.80

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Solution

The fourth proportional to 705,436,327.80, 1,056,879,033.30 and 603,399,655.80 is: 904,008,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,436,327.80 : 1,056,879,033.30 = 603,399,655.80 : x
  2. Step 2: Convert to fraction form
    705,436,327.80/1,056,879,033.30 = 603,399,655.80/x
  3. Step 3: Cross multiply
    705,436,327.80x = 1,056,879,033.30 × 603,399,655.80
  4. Step 4: Simplify right side
    705,436,327.80x = 637,720,444,915,456,640
  5. Step 5: Solve for x
    x = 637,720,444,915,456,640/705,436,327.80
  6. Step 6: Final answer
    x = 904,008,511.87

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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.