Home / 520,383,664.58-779,534,769.18-313,007,600.66

Finding the Fourth Proportional to 520,383,664.58, 779,534,769.18 and 313,007,600.66

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Solution

The fourth proportional to 520,383,664.58, 779,534,769.18 and 313,007,600.66 is: 468,885,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,383,664.58 : 779,534,769.18 = 313,007,600.66 : x
  2. Step 2: Convert to fraction form
    520,383,664.58/779,534,769.18 = 313,007,600.66/x
  3. Step 3: Cross multiply
    520,383,664.58x = 779,534,769.18 × 313,007,600.66
  4. Step 4: Simplify right side
    520,383,664.58x = 244,000,307,732,078,720
  5. Step 5: Solve for x
    x = 244,000,307,732,078,720/520,383,664.58
  6. Step 6: Final answer
    x = 468,885,409.63

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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.