Home / 906,929,739,099.65-1,251,562,992,092.60-489,783,544,140.55

Finding the Fourth Proportional to 906,929,739,099.65, 1,251,562,992,092.60 and 489,783,544,140.55

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Solution

The fourth proportional to 906,929,739,099.65, 1,251,562,992,092.60 and 489,783,544,140.55 is: 675,901,265,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,929,739,099.65 : 1,251,562,992,092.60 = 489,783,544,140.55 : x
  2. Step 2: Convert to fraction form
    906,929,739,099.65/1,251,562,992,092.60 = 489,783,544,140.55/x
  3. Step 3: Cross multiply
    906,929,739,099.65x = 1,251,562,992,092.60 × 489,783,544,140.55
  4. Step 4: Simplify right side
    906,929,739,099.65x = 612,994,957,982,264,878,694,400
  5. Step 5: Solve for x
    x = 612,994,957,982,264,878,694,400/906,929,739,099.65
  6. Step 6: Final answer
    x = 675,901,265,064.72

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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.