Home / 996,501,491.20-1,494,744,363.60-259,569,971.20

Finding the Fourth Proportional to 996,501,491.20, 1,494,744,363.60 and 259,569,971.20

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Solution

The fourth proportional to 996,501,491.20, 1,494,744,363.60 and 259,569,971.20 is: 389,352,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,501,491.20 : 1,494,744,363.60 = 259,569,971.20 : x
  2. Step 2: Convert to fraction form
    996,501,491.20/1,494,744,363.60 = 259,569,971.20/x
  3. Step 3: Cross multiply
    996,501,491.20x = 1,494,744,363.60 × 259,569,971.20
  4. Step 4: Simplify right side
    996,501,491.20x = 387,990,751,411,014,272
  5. Step 5: Solve for x
    x = 387,990,751,411,014,272/996,501,491.20
  6. Step 6: Final answer
    x = 389,352,905.98

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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.