Home / 561,432,697.20-842,205,324.60-192,919,114.80

Finding the Fourth Proportional to 561,432,697.20, 842,205,324.60 and 192,919,114.80

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Solution

The fourth proportional to 561,432,697.20, 842,205,324.60 and 192,919,114.80 is: 289,398,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,432,697.20 : 842,205,324.60 = 192,919,114.80 : x
  2. Step 2: Convert to fraction form
    561,432,697.20/842,205,324.60 = 192,919,114.80/x
  3. Step 3: Cross multiply
    561,432,697.20x = 842,205,324.60 × 192,919,114.80
  4. Step 4: Simplify right side
    561,432,697.20x = 162,477,505,701,678,688
  5. Step 5: Solve for x
    x = 162,477,505,701,678,688/561,432,697.20
  6. Step 6: Final answer
    x = 289,398,010.68

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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.