Home / 724,878,182.75-1,086,872,272.60-281,703,393.27

Finding the Fourth Proportional to 724,878,182.75, 1,086,872,272.60 and 281,703,393.27

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Solution

The fourth proportional to 724,878,182.75, 1,086,872,272.60 and 281,703,393.27 is: 422,382,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,878,182.75 : 1,086,872,272.60 = 281,703,393.27 : x
  2. Step 2: Convert to fraction form
    724,878,182.75/1,086,872,272.60 = 281,703,393.27/x
  3. Step 3: Cross multiply
    724,878,182.75x = 1,086,872,272.60 × 281,703,393.27
  4. Step 4: Simplify right side
    724,878,182.75x = 306,175,607,242,496,384
  5. Step 5: Solve for x
    x = 306,175,607,242,496,384/724,878,182.75
  6. Step 6: Final answer
    x = 422,382,152.65

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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.