Home / 342,874,828.28-473,206,515.71-192,208,177.60

Finding the Fourth Proportional to 342,874,828.28, 473,206,515.71 and 192,208,177.60

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Solution

The fourth proportional to 342,874,828.28, 473,206,515.71 and 192,208,177.60 is: 265,269,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,874,828.28 : 473,206,515.71 = 192,208,177.60 : x
  2. Step 2: Convert to fraction form
    342,874,828.28/473,206,515.71 = 192,208,177.60/x
  3. Step 3: Cross multiply
    342,874,828.28x = 473,206,515.71 × 192,208,177.60
  4. Step 4: Simplify right side
    342,874,828.28x = 90,954,162,013,064,864
  5. Step 5: Solve for x
    x = 90,954,162,013,064,864/342,874,828.28
  6. Step 6: Final answer
    x = 265,269,289.29

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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.