Home / 561,433,240.20-842,206,139.10-192,919,657.80

Finding the Fourth Proportional to 561,433,240.20, 842,206,139.10 and 192,919,657.80

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Solution

The fourth proportional to 561,433,240.20, 842,206,139.10 and 192,919,657.80 is: 289,398,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,433,240.20 : 842,206,139.10 = 192,919,657.80 : x
  2. Step 2: Convert to fraction form
    561,433,240.20/842,206,139.10 = 192,919,657.80/x
  3. Step 3: Cross multiply
    561,433,240.20x = 842,206,139.10 × 192,919,657.80
  4. Step 4: Simplify right side
    561,433,240.20x = 162,478,120,152,231,200
  5. Step 5: Solve for x
    x = 162,478,120,152,231,200/561,433,240.20
  6. Step 6: Final answer
    x = 289,398,825.22

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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.