Home / 2,239,501,658.20-3,359,252,487.30-1,318,904,128.60

Finding the Fourth Proportional to 2,239,501,658.20, 3,359,252,487.30 and 1,318,904,128.60

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Solution

The fourth proportional to 2,239,501,658.20, 3,359,252,487.30 and 1,318,904,128.60 is: 1,978,356,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,501,658.20 : 3,359,252,487.30 = 1,318,904,128.60 : x
  2. Step 2: Convert to fraction form
    2,239,501,658.20/3,359,252,487.30 = 1,318,904,128.60/x
  3. Step 3: Cross multiply
    2,239,501,658.20x = 3,359,252,487.30 × 1,318,904,128.60
  4. Step 4: Simplify right side
    2,239,501,658.20x = 4,430,531,974,509,789,184
  5. Step 5: Solve for x
    x = 4,430,531,974,509,789,184/2,239,501,658.20
  6. Step 6: Final answer
    x = 1,978,356,192.90

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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.