Home / 654,827,135.10-982,377,171.45-218,263,443.90

Finding the Fourth Proportional to 654,827,135.10, 982,377,171.45 and 218,263,443.90

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Solution

The fourth proportional to 654,827,135.10, 982,377,171.45 and 218,263,443.90 is: 327,440,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,827,135.10 : 982,377,171.45 = 218,263,443.90 : x
  2. Step 2: Convert to fraction form
    654,827,135.10/982,377,171.45 = 218,263,443.90/x
  3. Step 3: Cross multiply
    654,827,135.10x = 982,377,171.45 × 218,263,443.90
  4. Step 4: Simplify right side
    654,827,135.10x = 214,417,024,649,417,760
  5. Step 5: Solve for x
    x = 214,417,024,649,417,760/654,827,135.10
  6. Step 6: Final answer
    x = 327,440,652.89

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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.