Home / 616,817,803.38-851,200,632.36-352,496,764.68

Finding the Fourth Proportional to 616,817,803.38, 851,200,632.36 and 352,496,764.68

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Solution

The fourth proportional to 616,817,803.38, 851,200,632.36 and 352,496,764.68 is: 486,440,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,817,803.38 : 851,200,632.36 = 352,496,764.68 : x
  2. Step 2: Convert to fraction form
    616,817,803.38/851,200,632.36 = 352,496,764.68/x
  3. Step 3: Cross multiply
    616,817,803.38x = 851,200,632.36 × 352,496,764.68
  4. Step 4: Simplify right side
    616,817,803.38x = 300,045,469,000,470,144
  5. Step 5: Solve for x
    x = 300,045,469,000,470,144/616,817,803.38
  6. Step 6: Final answer
    x = 486,440,999.85

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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.