Home / 380,768,052.80-571,170,741.60-199,369,524.80

Finding the Fourth Proportional to 380,768,052.80, 571,170,741.60 and 199,369,524.80

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Solution

The fourth proportional to 380,768,052.80, 571,170,741.60 and 199,369,524.80 is: 299,064,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,768,052.80 : 571,170,741.60 = 199,369,524.80 : x
  2. Step 2: Convert to fraction form
    380,768,052.80/571,170,741.60 = 199,369,524.80/x
  3. Step 3: Cross multiply
    380,768,052.80x = 571,170,741.60 × 199,369,524.80
  4. Step 4: Simplify right side
    380,768,052.80x = 113,874,039,332,455,600
  5. Step 5: Solve for x
    x = 113,874,039,332,455,600/380,768,052.80
  6. Step 6: Final answer
    x = 299,064,058.80

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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.