Home / 454,679,109.60-682,018,664.40-196,186,207.20

Finding the Fourth Proportional to 454,679,109.60, 682,018,664.40 and 196,186,207.20

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Solution

The fourth proportional to 454,679,109.60, 682,018,664.40 and 196,186,207.20 is: 294,279,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,679,109.60 : 682,018,664.40 = 196,186,207.20 : x
  2. Step 2: Convert to fraction form
    454,679,109.60/682,018,664.40 = 196,186,207.20/x
  3. Step 3: Cross multiply
    454,679,109.60x = 682,018,664.40 × 196,186,207.20
  4. Step 4: Simplify right side
    454,679,109.60x = 133,802,655,008,245,648
  5. Step 5: Solve for x
    x = 133,802,655,008,245,648/454,679,109.60
  6. Step 6: Final answer
    x = 294,279,310.80

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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.