Home / 342,628,425,431.57-472,838,566,481.68-188,309,574,852.06

Finding the Fourth Proportional to 342,628,425,431.57, 472,838,566,481.68 and 188,309,574,852.06

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Solution

The fourth proportional to 342,628,425,431.57, 472,838,566,481.68 and 188,309,574,852.06 is: 259,873,445,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,628,425,431.57 : 472,838,566,481.68 = 188,309,574,852.06 : x
  2. Step 2: Convert to fraction form
    342,628,425,431.57/472,838,566,481.68 = 188,309,574,852.06/x
  3. Step 3: Cross multiply
    342,628,425,431.57x = 472,838,566,481.68 × 188,309,574,852.06
  4. Step 4: Simplify right side
    342,628,425,431.57x = 89,040,029,427,822,669,856,768
  5. Step 5: Solve for x
    x = 89,040,029,427,822,669,856,768/342,628,425,431.57
  6. Step 6: Final answer
    x = 259,873,445,455.29

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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.