Home / 722,046,159,047.43-996,410,294,641.98-396,878,499,501.35

Finding the Fourth Proportional to 722,046,159,047.43, 996,410,294,641.98 and 396,878,499,501.35

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Solution

The fourth proportional to 722,046,159,047.43, 996,410,294,641.98 and 396,878,499,501.35 is: 547,684,961,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,046,159,047.43 : 996,410,294,641.98 = 396,878,499,501.35 : x
  2. Step 2: Convert to fraction form
    722,046,159,047.43/996,410,294,641.98 = 396,878,499,501.35/x
  3. Step 3: Cross multiply
    722,046,159,047.43x = 996,410,294,641.98 × 396,878,499,501.35
  4. Step 4: Simplify right side
    722,046,159,047.43x = 395,453,822,625,207,010,983,936
  5. Step 5: Solve for x
    x = 395,453,822,625,207,010,983,936/722,046,159,047.43
  6. Step 6: Final answer
    x = 547,684,961,231.45

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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.