Home / 719,469,887.96-1,079,307,779.33-221,522,534.46

Finding the Fourth Proportional to 719,469,887.96, 1,079,307,779.33 and 221,522,534.46

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Solution

The fourth proportional to 719,469,887.96, 1,079,307,779.33 and 221,522,534.46 is: 332,315,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,469,887.96 : 1,079,307,779.33 = 221,522,534.46 : x
  2. Step 2: Convert to fraction form
    719,469,887.96/1,079,307,779.33 = 221,522,534.46/x
  3. Step 3: Cross multiply
    719,469,887.96x = 1,079,307,779.33 × 221,522,534.46
  4. Step 4: Simplify right side
    719,469,887.96x = 239,090,994,738,468,416
  5. Step 5: Solve for x
    x = 239,090,994,738,468,416/719,469,887.96
  6. Step 6: Final answer
    x = 332,315,498.87

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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.