Home / 356,115,013.93-534,183,018.50-303,970,849.21

Finding the Fourth Proportional to 356,115,013.93, 534,183,018.50 and 303,970,849.21

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Solution

The fourth proportional to 356,115,013.93, 534,183,018.50 and 303,970,849.21 is: 455,965,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,115,013.93 : 534,183,018.50 = 303,970,849.21 : x
  2. Step 2: Convert to fraction form
    356,115,013.93/534,183,018.50 = 303,970,849.21/x
  3. Step 3: Cross multiply
    356,115,013.93x = 534,183,018.50 × 303,970,849.21
  4. Step 4: Simplify right side
    356,115,013.93x = 162,376,065,767,006,144
  5. Step 5: Solve for x
    x = 162,376,065,767,006,144/356,115,013.93
  6. Step 6: Final answer
    x = 455,965,234.31

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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.