Home / 1,266,034,246.20-1,899,051,369.30-852,785,724.60

Finding the Fourth Proportional to 1,266,034,246.20, 1,899,051,369.30 and 852,785,724.60

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Solution

The fourth proportional to 1,266,034,246.20, 1,899,051,369.30 and 852,785,724.60 is: 1,279,178,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,034,246.20 : 1,899,051,369.30 = 852,785,724.60 : x
  2. Step 2: Convert to fraction form
    1,266,034,246.20/1,899,051,369.30 = 852,785,724.60/x
  3. Step 3: Cross multiply
    1,266,034,246.20x = 1,899,051,369.30 × 852,785,724.60
  4. Step 4: Simplify right side
    1,266,034,246.20x = 1,619,483,898,021,122,816
  5. Step 5: Solve for x
    x = 1,619,483,898,021,122,816/1,266,034,246.20
  6. Step 6: Final answer
    x = 1,279,178,586.90

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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.