Home / 814,109,481.54-1,220,678,839.53-552,116,154.42

Finding the Fourth Proportional to 814,109,481.54, 1,220,678,839.53 and 552,116,154.42

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Solution

The fourth proportional to 814,109,481.54, 1,220,678,839.53 and 552,116,154.42 is: 827,845,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,109,481.54 : 1,220,678,839.53 = 552,116,154.42 : x
  2. Step 2: Convert to fraction form
    814,109,481.54/1,220,678,839.53 = 552,116,154.42/x
  3. Step 3: Cross multiply
    814,109,481.54x = 1,220,678,839.53 × 552,116,154.42
  4. Step 4: Simplify right side
    814,109,481.54x = 673,956,506,663,171,840
  5. Step 5: Solve for x
    x = 673,956,506,663,171,840/814,109,481.54
  6. Step 6: Final answer
    x = 827,845,052.72

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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.