Home / 724,033,999.20-1,086,050,998.80-263,987,176.80

Finding the Fourth Proportional to 724,033,999.20, 1,086,050,998.80 and 263,987,176.80

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Solution

The fourth proportional to 724,033,999.20, 1,086,050,998.80 and 263,987,176.80 is: 395,980,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,033,999.20 : 1,086,050,998.80 = 263,987,176.80 : x
  2. Step 2: Convert to fraction form
    724,033,999.20/1,086,050,998.80 = 263,987,176.80/x
  3. Step 3: Cross multiply
    724,033,999.20x = 1,086,050,998.80 × 263,987,176.80
  4. Step 4: Simplify right side
    724,033,999.20x = 286,703,537,034,032,192
  5. Step 5: Solve for x
    x = 286,703,537,034,032,192/724,033,999.20
  6. Step 6: Final answer
    x = 395,980,765.20

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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.