Home / 489,771,563.44-675,884,769.88-269,754,989.44

Finding the Fourth Proportional to 489,771,563.44, 675,884,769.88 and 269,754,989.44

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Solution

The fourth proportional to 489,771,563.44, 675,884,769.88 and 269,754,989.44 is: 372,261,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,771,563.44 : 675,884,769.88 = 269,754,989.44 : x
  2. Step 2: Convert to fraction form
    489,771,563.44/675,884,769.88 = 269,754,989.44/x
  3. Step 3: Cross multiply
    489,771,563.44x = 675,884,769.88 × 269,754,989.44
  4. Step 4: Simplify right side
    489,771,563.44x = 182,323,288,961,636,224
  5. Step 5: Solve for x
    x = 182,323,288,961,636,224/489,771,563.44
  6. Step 6: Final answer
    x = 372,261,892.22

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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.