Home / 724,878,183.39-1,086,872,273.52-281,703,393.90

Finding the Fourth Proportional to 724,878,183.39, 1,086,872,273.52 and 281,703,393.90

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Solution

The fourth proportional to 724,878,183.39, 1,086,872,273.52 and 281,703,393.90 is: 422,382,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,878,183.39 : 1,086,872,273.52 = 281,703,393.90 : x
  2. Step 2: Convert to fraction form
    724,878,183.39/1,086,872,273.52 = 281,703,393.90/x
  3. Step 3: Cross multiply
    724,878,183.39x = 1,086,872,273.52 × 281,703,393.90
  4. Step 4: Simplify right side
    724,878,183.39x = 306,175,608,186,393,088
  5. Step 5: Solve for x
    x = 306,175,608,186,393,088/724,878,183.39
  6. Step 6: Final answer
    x = 422,382,153.58

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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.