Home / 722,046,159,058.68-996,410,294,657.52-396,878,499,512.61

Finding the Fourth Proportional to 722,046,159,058.68, 996,410,294,657.52 and 396,878,499,512.61

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Solution

The fourth proportional to 722,046,159,058.68, 996,410,294,657.52 and 396,878,499,512.61 is: 547,684,961,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,046,159,058.68 : 996,410,294,657.52 = 396,878,499,512.61 : x
  2. Step 2: Convert to fraction form
    722,046,159,058.68/996,410,294,657.52 = 396,878,499,512.61/x
  3. Step 3: Cross multiply
    722,046,159,058.68x = 996,410,294,657.52 × 396,878,499,512.61
  4. Step 4: Simplify right side
    722,046,159,058.68x = 395,453,822,642,594,112,339,968
  5. Step 5: Solve for x
    x = 395,453,822,642,594,112,339,968/722,046,159,058.68
  6. Step 6: Final answer
    x = 547,684,961,246.99

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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.