Home / 906,929,725,190.17-1,251,562,972,891.20-489,783,530,234.71

Finding the Fourth Proportional to 906,929,725,190.17, 1,251,562,972,891.20 and 489,783,530,234.71

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Solution

The fourth proportional to 906,929,725,190.17, 1,251,562,972,891.20 and 489,783,530,234.71 is: 675,901,245,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,929,725,190.17 : 1,251,562,972,891.20 = 489,783,530,234.71 : x
  2. Step 2: Convert to fraction form
    906,929,725,190.17/1,251,562,972,891.20 = 489,783,530,234.71/x
  3. Step 3: Cross multiply
    906,929,725,190.17x = 1,251,562,972,891.20 × 489,783,530,234.71
  4. Step 4: Simplify right side
    906,929,725,190.17x = 612,994,931,173,700,579,360,768
  5. Step 5: Solve for x
    x = 612,994,931,173,700,579,360,768/906,929,725,190.17
  6. Step 6: Final answer
    x = 675,901,245,871.24

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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.