Home / 994,521,480.58-1,491,349,139.38-285,313,562.72

Finding the Fourth Proportional to 994,521,480.58, 1,491,349,139.38 and 285,313,562.72

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Solution

The fourth proportional to 994,521,480.58, 1,491,349,139.38 and 285,313,562.72 is: 427,846,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,521,480.58 : 1,491,349,139.38 = 285,313,562.72 : x
  2. Step 2: Convert to fraction form
    994,521,480.58/1,491,349,139.38 = 285,313,562.72/x
  3. Step 3: Cross multiply
    994,521,480.58x = 1,491,349,139.38 × 285,313,562.72
  4. Step 4: Simplify right side
    994,521,480.58x = 425,502,136,214,487,104
  5. Step 5: Solve for x
    x = 425,502,136,214,487,104/994,521,480.58
  6. Step 6: Final answer
    x = 427,846,099.38

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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.