Home / 490,538,951.48-735,512,056.38-195,479,463.76

Finding the Fourth Proportional to 490,538,951.48, 735,512,056.38 and 195,479,463.76

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Solution

The fourth proportional to 490,538,951.48, 735,512,056.38 and 195,479,463.76 is: 293,101,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,538,951.48 : 735,512,056.38 = 195,479,463.76 : x
  2. Step 2: Convert to fraction form
    490,538,951.48/735,512,056.38 = 195,479,463.76/x
  3. Step 3: Cross multiply
    490,538,951.48x = 735,512,056.38 × 195,479,463.76
  4. Step 4: Simplify right side
    490,538,951.48x = 143,777,502,368,338,496
  5. Step 5: Solve for x
    x = 143,777,502,368,338,496/490,538,951.48
  6. Step 6: Final answer
    x = 293,101,092.04

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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.