Home / 321,101,570.80-481,652,356.20-284,113,277.20

Finding the Fourth Proportional to 321,101,570.80, 481,652,356.20 and 284,113,277.20

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Solution

The fourth proportional to 321,101,570.80, 481,652,356.20 and 284,113,277.20 is: 426,169,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,101,570.80 : 481,652,356.20 = 284,113,277.20 : x
  2. Step 2: Convert to fraction form
    321,101,570.80/481,652,356.20 = 284,113,277.20/x
  3. Step 3: Cross multiply
    321,101,570.80x = 481,652,356.20 × 284,113,277.20
  4. Step 4: Simplify right side
    321,101,570.80x = 136,843,829,391,083,728
  5. Step 5: Solve for x
    x = 136,843,829,391,083,728/321,101,570.80
  6. Step 6: Final answer
    x = 426,169,915.80

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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.