Home / 6,989,599,028.82-9,645,582,766.27-3,817,781,993.82

Finding the Fourth Proportional to 6,989,599,028.82, 9,645,582,766.27 and 3,817,781,993.82

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Solution

The fourth proportional to 6,989,599,028.82, 9,645,582,766.27 and 3,817,781,993.82 is: 5,268,504,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,599,028.82 : 9,645,582,766.27 = 3,817,781,993.82 : x
  2. Step 2: Convert to fraction form
    6,989,599,028.82/9,645,582,766.27 = 3,817,781,993.82/x
  3. Step 3: Cross multiply
    6,989,599,028.82x = 9,645,582,766.27 × 3,817,781,993.82
  4. Step 4: Simplify right side
    6,989,599,028.82x = 36,824,732,204,966,113,280
  5. Step 5: Solve for x
    x = 36,824,732,204,966,113,280/6,989,599,028.82
  6. Step 6: Final answer
    x = 5,268,504,252.27

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Double scale
Find fourth proportional to 6,989,599,029.82, 9,645,582,767.65 and 3,817,781,994.82
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1.5x scale

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.