Home / 511,054,742.57-766,582,026.38-161,546,160.74

Finding the Fourth Proportional to 511,054,742.57, 766,582,026.38 and 161,546,160.74

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Solution

The fourth proportional to 511,054,742.57, 766,582,026.38 and 161,546,160.74 is: 242,319,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,054,742.57 : 766,582,026.38 = 161,546,160.74 : x
  2. Step 2: Convert to fraction form
    511,054,742.57/766,582,026.38 = 161,546,160.74/x
  3. Step 3: Cross multiply
    511,054,742.57x = 766,582,026.38 × 161,546,160.74
  4. Step 4: Simplify right side
    511,054,742.57x = 123,838,383,255,692,928
  5. Step 5: Solve for x
    x = 123,838,383,255,692,928/511,054,742.57
  6. Step 6: Final answer
    x = 242,319,213.46

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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.