Home / 2,079,279,244.71-3,118,891,624.08-505,381,978.30

Finding the Fourth Proportional to 2,079,279,244.71, 3,118,891,624.08 and 505,381,978.30

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Solution

The fourth proportional to 2,079,279,244.71, 3,118,891,624.08 and 505,381,978.30 is: 758,066,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,279,244.71 : 3,118,891,624.08 = 505,381,978.30 : x
  2. Step 2: Convert to fraction form
    2,079,279,244.71/3,118,891,624.08 = 505,381,978.30/x
  3. Step 3: Cross multiply
    2,079,279,244.71x = 3,118,891,624.08 × 505,381,978.30
  4. Step 4: Simplify right side
    2,079,279,244.71x = 1,576,231,619,065,255,936
  5. Step 5: Solve for x
    x = 1,576,231,619,065,255,936/2,079,279,244.71
  6. Step 6: Final answer
    x = 758,066,345.86

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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.