Home / 722,339,779.20-996,833,997.13-392,314,918.20

Finding the Fourth Proportional to 722,339,779.20, 996,833,997.13 and 392,314,918.20

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Solution

The fourth proportional to 722,339,779.20, 996,833,997.13 and 392,314,918.20 is: 541,397,358.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,339,779.20 : 996,833,997.13 = 392,314,918.20 : x
  2. Step 2: Convert to fraction form
    722,339,779.20/996,833,997.13 = 392,314,918.20/x
  3. Step 3: Cross multiply
    722,339,779.20x = 996,833,997.13 × 392,314,918.20
  4. Step 4: Simplify right side
    722,339,779.20x = 391,072,848,045,764,224
  5. Step 5: Solve for x
    x = 391,072,848,045,764,224/722,339,779.20
  6. Step 6: Final answer
    x = 541,397,358.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.