Home / 20,479,493,150.30-30,721,285,773.30-5,556,895,590.80

Finding the Fourth Proportional to 20,479,493,150.30, 30,721,285,773.30 and 5,556,895,590.80

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Solution

The fourth proportional to 20,479,493,150.30, 30,721,285,773.30 and 5,556,895,590.80 is: 8,335,898,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,479,493,150.30 : 30,721,285,773.30 = 5,556,895,590.80 : x
  2. Step 2: Convert to fraction form
    20,479,493,150.30/30,721,285,773.30 = 5,556,895,590.80/x
  3. Step 3: Cross multiply
    20,479,493,150.30x = 30,721,285,773.30 × 5,556,895,590.80
  4. Step 4: Simplify right side
    20,479,493,150.30x = 170,714,977,457,357,553,664
  5. Step 5: Solve for x
    x = 170,714,977,457,357,553,664/20,479,493,150.30
  6. Step 6: Final answer
    x = 8,335,898,559.82

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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.