Home / 326,144,863.84-450,168,175.92-192,299,530.72

Finding the Fourth Proportional to 326,144,863.84, 450,168,175.92 and 192,299,530.72

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Solution

The fourth proportional to 326,144,863.84, 450,168,175.92 and 192,299,530.72 is: 265,425,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,144,863.84 : 450,168,175.92 = 192,299,530.72 : x
  2. Step 2: Convert to fraction form
    326,144,863.84/450,168,175.92 = 192,299,530.72/x
  3. Step 3: Cross multiply
    326,144,863.84x = 450,168,175.92 × 192,299,530.72
  4. Step 4: Simplify right side
    326,144,863.84x = 86,567,128,974,494,400
  5. Step 5: Solve for x
    x = 86,567,128,974,494,400/326,144,863.84
  6. Step 6: Final answer
    x = 265,425,393.97

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1.5x scale

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.