Home / 820,039,245,671.48-1,229,610,456,178.40-651,143,767,770.44

Finding the Fourth Proportional to 820,039,245,671.48, 1,229,610,456,178.40 and 651,143,767,770.44

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Solution

The fourth proportional to 820,039,245,671.48, 1,229,610,456,178.40 and 651,143,767,770.44 is: 976,359,594,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,039,245,671.48 : 1,229,610,456,178.40 = 651,143,767,770.44 : x
  2. Step 2: Convert to fraction form
    820,039,245,671.48/1,229,610,456,178.40 = 651,143,767,770.44/x
  3. Step 3: Cross multiply
    820,039,245,671.48x = 1,229,610,456,178.40 × 651,143,767,770.44
  4. Step 4: Simplify right side
    820,039,245,671.48x = 800,653,185,325,932,694,470,656
  5. Step 5: Solve for x
    x = 800,653,185,325,932,694,470,656/820,039,245,671.48
  6. Step 6: Final answer
    x = 976,359,594,436.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.