Home / 268,938,024.49-371,305,833.12-219,496,333.69

Finding the Fourth Proportional to 268,938,024.49, 371,305,833.12 and 219,496,333.69

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Solution

The fourth proportional to 268,938,024.49, 371,305,833.12 and 219,496,333.69 is: 303,044,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,938,024.49 : 371,305,833.12 = 219,496,333.69 : x
  2. Step 2: Convert to fraction form
    268,938,024.49/371,305,833.12 = 219,496,333.69/x
  3. Step 3: Cross multiply
    268,938,024.49x = 371,305,833.12 × 219,496,333.69
  4. Step 4: Simplify right side
    268,938,024.49x = 81,500,269,044,596,960
  5. Step 5: Solve for x
    x = 81,500,269,044,596,960/268,938,024.49
  6. Step 6: Final answer
    x = 303,044,797.03

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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.