Home / 313,653,370.45-470,418,054.12-298,098,682.87

Finding the Fourth Proportional to 313,653,370.45, 470,418,054.12 and 298,098,682.87

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Solution

The fourth proportional to 313,653,370.45, 470,418,054.12 and 298,098,682.87 is: 447,089,097.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,653,370.45 : 470,418,054.12 = 298,098,682.87 : x
  2. Step 2: Convert to fraction form
    313,653,370.45/470,418,054.12 = 298,098,682.87/x
  3. Step 3: Cross multiply
    313,653,370.45x = 470,418,054.12 × 298,098,682.87
  4. Step 4: Simplify right side
    313,653,370.45x = 140,231,002,331,440,384
  5. Step 5: Solve for x
    x = 140,231,002,331,440,384/313,653,370.45
  6. Step 6: Final answer
    x = 447,089,097.53

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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.