Home / 503,319,321.78-755,005,887-158,299,853.10

Finding the Fourth Proportional to 503,319,321.78, 755,005,887 and 158,299,853.10

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Solution

The fourth proportional to 503,319,321.78, 755,005,887 and 158,299,853.10 is: 237,458,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,319,321.78 : 755,005,887 = 158,299,853.10 : x
  2. Step 2: Convert to fraction form
    503,319,321.78/755,005,887 = 158,299,853.10/x
  3. Step 3: Cross multiply
    503,319,321.78x = 755,005,887 × 158,299,853.10
  4. Step 4: Simplify right side
    503,319,321.78x = 119,517,321,001,735,200
  5. Step 5: Solve for x
    x = 119,517,321,001,735,200/503,319,321.78
  6. Step 6: Final answer
    x = 237,458,241.38

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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.