Home / 5,318,786,289.30-7,978,179,433.95-1,441,392,753.30

Finding the Fourth Proportional to 5,318,786,289.30, 7,978,179,433.95 and 1,441,392,753.30

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Solution

The fourth proportional to 5,318,786,289.30, 7,978,179,433.95 and 1,441,392,753.30 is: 2,162,089,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,786,289.30 : 7,978,179,433.95 = 1,441,392,753.30 : x
  2. Step 2: Convert to fraction form
    5,318,786,289.30/7,978,179,433.95 = 1,441,392,753.30/x
  3. Step 3: Cross multiply
    5,318,786,289.30x = 7,978,179,433.95 × 1,441,392,753.30
  4. Step 4: Simplify right side
    5,318,786,289.30x = 11,499,690,020,622,624,768
  5. Step 5: Solve for x
    x = 11,499,690,020,622,624,768/5,318,786,289.30
  6. Step 6: Final answer
    x = 2,162,089,129.95

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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.