Home / 722,046,159,047.40-996,410,294,641.92-396,878,499,501.36

Finding the Fourth Proportional to 722,046,159,047.40, 996,410,294,641.92 and 396,878,499,501.36

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Solution

The fourth proportional to 722,046,159,047.40, 996,410,294,641.92 and 396,878,499,501.36 is: 547,684,961,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,046,159,047.40 : 996,410,294,641.92 = 396,878,499,501.36 : x
  2. Step 2: Convert to fraction form
    722,046,159,047.40/996,410,294,641.92 = 396,878,499,501.36/x
  3. Step 3: Cross multiply
    722,046,159,047.40x = 996,410,294,641.92 × 396,878,499,501.36
  4. Step 4: Simplify right side
    722,046,159,047.40x = 395,453,822,625,193,253,666,816
  5. Step 5: Solve for x
    x = 395,453,822,625,193,253,666,816/722,046,159,047.40
  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.