Home / 724,878,181.75-1,086,872,271.10-281,703,392.27

Finding the Fourth Proportional to 724,878,181.75, 1,086,872,271.10 and 281,703,392.27

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Solution

The fourth proportional to 724,878,181.75, 1,086,872,271.10 and 281,703,392.27 is: 422,382,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,878,181.75 : 1,086,872,271.10 = 281,703,392.27 : x
  2. Step 2: Convert to fraction form
    724,878,181.75/1,086,872,271.10 = 281,703,392.27/x
  3. Step 3: Cross multiply
    724,878,181.75x = 1,086,872,271.10 × 281,703,392.27
  4. Step 4: Simplify right side
    724,878,181.75x = 306,175,605,733,069,056
  5. Step 5: Solve for x
    x = 306,175,605,733,069,056/724,878,181.75
  6. Step 6: Final answer
    x = 422,382,151.16

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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.