Home / 1,398,815,846.59-1,930,535,139.76-796,133,003.26

Finding the Fourth Proportional to 1,398,815,846.59, 1,930,535,139.76 and 796,133,003.26

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Solution

The fourth proportional to 1,398,815,846.59, 1,930,535,139.76 and 796,133,003.26 is: 1,098,759,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,815,846.59 : 1,930,535,139.76 = 796,133,003.26 : x
  2. Step 2: Convert to fraction form
    1,398,815,846.59/1,930,535,139.76 = 796,133,003.26/x
  3. Step 3: Cross multiply
    1,398,815,846.59x = 1,930,535,139.76 × 796,133,003.26
  4. Step 4: Simplify right side
    1,398,815,846.59x = 1,536,962,738,712,866,560
  5. Step 5: Solve for x
    x = 1,536,962,738,712,866,560/1,398,815,846.59
  6. Step 6: Final answer
    x = 1,098,759,884.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.