Home / 342,628,425,443.32-472,838,566,497.90-188,309,574,863.79

Finding the Fourth Proportional to 342,628,425,443.32, 472,838,566,497.90 and 188,309,574,863.79

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Solution

The fourth proportional to 342,628,425,443.32, 472,838,566,497.90 and 188,309,574,863.79 is: 259,873,445,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,628,425,443.32 : 472,838,566,497.90 = 188,309,574,863.79 : x
  2. Step 2: Convert to fraction form
    342,628,425,443.32/472,838,566,497.90 = 188,309,574,863.79/x
  3. Step 3: Cross multiply
    342,628,425,443.32x = 472,838,566,497.90 × 188,309,574,863.79
  4. Step 4: Simplify right side
    342,628,425,443.32x = 89,040,029,436,423,459,307,520
  5. Step 5: Solve for x
    x = 89,040,029,436,423,459,307,520/342,628,425,443.32
  6. Step 6: Final answer
    x = 259,873,445,471.48

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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.