Home / 469,917,469.62-648,496,908.81-258,237,460.80

Finding the Fourth Proportional to 469,917,469.62, 648,496,908.81 and 258,237,460.80

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Solution

The fourth proportional to 469,917,469.62, 648,496,908.81 and 258,237,460.80 is: 356,373,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,917,469.62 : 648,496,908.81 = 258,237,460.80 : x
  2. Step 2: Convert to fraction form
    469,917,469.62/648,496,908.81 = 258,237,460.80/x
  3. Step 3: Cross multiply
    469,917,469.62x = 648,496,908.81 × 258,237,460.80
  4. Step 4: Simplify right side
    469,917,469.62x = 167,466,195,067,743,552
  5. Step 5: Solve for x
    x = 167,466,195,067,743,552/469,917,469.62
  6. Step 6: Final answer
    x = 356,373,631.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.