Home / 356,115,021.92-534,183,030.50-303,970,857.20

Finding the Fourth Proportional to 356,115,021.92, 534,183,030.50 and 303,970,857.20

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Solution

The fourth proportional to 356,115,021.92, 534,183,030.50 and 303,970,857.20 is: 455,965,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,115,021.92 : 534,183,030.50 = 303,970,857.20 : x
  2. Step 2: Convert to fraction form
    356,115,021.92/534,183,030.50 = 303,970,857.20/x
  3. Step 3: Cross multiply
    356,115,021.92x = 534,183,030.50 × 303,970,857.20
  4. Step 4: Simplify right side
    356,115,021.92x = 162,376,073,682,778,752
  5. Step 5: Solve for x
    x = 162,376,073,682,778,752/356,115,021.92
  6. Step 6: Final answer
    x = 455,965,246.31

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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.