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Finding the Fourth Proportional to 568,332,060.65, 784,298,236.84 and 307,571,676.65

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Solution

The fourth proportional to 568,332,060.65, 784,298,236.84 and 307,571,676.65 is: 424,448,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,332,060.65 : 784,298,236.84 = 307,571,676.65 : x
  2. Step 2: Convert to fraction form
    568,332,060.65/784,298,236.84 = 307,571,676.65/x
  3. Step 3: Cross multiply
    568,332,060.65x = 784,298,236.84 × 307,571,676.65
  4. Step 4: Simplify right side
    568,332,060.65x = 241,227,923,693,827,168
  5. Step 5: Solve for x
    x = 241,227,923,693,827,168/568,332,060.65
  6. Step 6: Final answer
    x = 424,448,910.06

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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.