Home / 1,399,440,205,134.70-2,099,160,307,702-393,284,981,421.18

Finding the Fourth Proportional to 1,399,440,205,134.70, 2,099,160,307,702 and 393,284,981,421.18

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Solution

The fourth proportional to 1,399,440,205,134.70, 2,099,160,307,702 and 393,284,981,421.18 is: 589,927,472,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,440,205,134.70 : 2,099,160,307,702 = 393,284,981,421.18 : x
  2. Step 2: Convert to fraction form
    1,399,440,205,134.70/2,099,160,307,702 = 393,284,981,421.18/x
  3. Step 3: Cross multiply
    1,399,440,205,134.70x = 2,099,160,307,702 × 393,284,981,421.18
  4. Step 4: Simplify right side
    1,399,440,205,134.70x = 825,568,222,614,659,553,820,672
  5. Step 5: Solve for x
    x = 825,568,222,614,659,553,820,672/1,399,440,205,134.70
  6. Step 6: Final answer
    x = 589,927,472,131.76

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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.