Home / 1,380,823,917.35-2,071,221,704.27-798,187,434.35

Finding the Fourth Proportional to 1,380,823,917.35, 2,071,221,704.27 and 798,187,434.35

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Solution

The fourth proportional to 1,380,823,917.35, 2,071,221,704.27 and 798,187,434.35 is: 1,197,272,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,823,917.35 : 2,071,221,704.27 = 798,187,434.35 : x
  2. Step 2: Convert to fraction form
    1,380,823,917.35/2,071,221,704.27 = 798,187,434.35/x
  3. Step 3: Cross multiply
    1,380,823,917.35x = 2,071,221,704.27 × 798,187,434.35
  4. Step 4: Simplify right side
    1,380,823,917.35x = 1,653,223,138,097,314,816
  5. Step 5: Solve for x
    x = 1,653,223,138,097,314,816/1,380,823,917.35
  6. Step 6: Final answer
    x = 1,197,272,959.52

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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.