Home / 672,543,000.80-1,008,814,501.20-488,876,991.20

Finding the Fourth Proportional to 672,543,000.80, 1,008,814,501.20 and 488,876,991.20

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Solution

The fourth proportional to 672,543,000.80, 1,008,814,501.20 and 488,876,991.20 is: 733,315,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,543,000.80 : 1,008,814,501.20 = 488,876,991.20 : x
  2. Step 2: Convert to fraction form
    672,543,000.80/1,008,814,501.20 = 488,876,991.20/x
  3. Step 3: Cross multiply
    672,543,000.80x = 1,008,814,501.20 × 488,876,991.20
  4. Step 4: Simplify right side
    672,543,000.80x = 493,186,198,025,584,832
  5. Step 5: Solve for x
    x = 493,186,198,025,584,832/672,543,000.80
  6. Step 6: Final answer
    x = 733,315,486.80

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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.