Home / 489,966,393.42-735,093,077.99-144,929,208.69

Finding the Fourth Proportional to 489,966,393.42, 735,093,077.99 and 144,929,208.69

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Solution

The fourth proportional to 489,966,393.42, 735,093,077.99 and 144,929,208.69 is: 217,436,255.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,966,393.42 : 735,093,077.99 = 144,929,208.69 : x
  2. Step 2: Convert to fraction form
    489,966,393.42/735,093,077.99 = 144,929,208.69/x
  3. Step 3: Cross multiply
    489,966,393.42x = 735,093,077.99 × 144,929,208.69
  4. Step 4: Simplify right side
    489,966,393.42x = 106,536,458,105,862,512
  5. Step 5: Solve for x
    x = 106,536,458,105,862,512/489,966,393.42
  6. Step 6: Final answer
    x = 217,436,255.91

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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.