Home / 1,119,745,489.40-1,679,618,234.10-829,507,844.60

Finding the Fourth Proportional to 1,119,745,489.40, 1,679,618,234.10 and 829,507,844.60

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Solution

The fourth proportional to 1,119,745,489.40, 1,679,618,234.10 and 829,507,844.60 is: 1,244,261,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,489.40 : 1,679,618,234.10 = 829,507,844.60 : x
  2. Step 2: Convert to fraction form
    1,119,745,489.40/1,679,618,234.10 = 829,507,844.60/x
  3. Step 3: Cross multiply
    1,119,745,489.40x = 1,679,618,234.10 × 829,507,844.60
  4. Step 4: Simplify right side
    1,119,745,489.40x = 1,393,256,501,119,149,056
  5. Step 5: Solve for x
    x = 1,393,256,501,119,149,056/1,119,745,489.40
  6. Step 6: Final answer
    x = 1,244,261,766.90

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1.5x scale

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.