Home / 6,989,599,029.32-9,645,582,766.96-3,817,781,994.32

Finding the Fourth Proportional to 6,989,599,029.32, 9,645,582,766.96 and 3,817,781,994.32

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Solution

The fourth proportional to 6,989,599,029.32, 9,645,582,766.96 and 3,817,781,994.32 is: 5,268,504,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,599,029.32 : 9,645,582,766.96 = 3,817,781,994.32 : x
  2. Step 2: Convert to fraction form
    6,989,599,029.32/9,645,582,766.96 = 3,817,781,994.32/x
  3. Step 3: Cross multiply
    6,989,599,029.32x = 9,645,582,766.96 × 3,817,781,994.32
  4. Step 4: Simplify right side
    6,989,599,029.32x = 36,824,732,212,423,172,096
  5. Step 5: Solve for x
    x = 36,824,732,212,423,172,096/6,989,599,029.32
  6. Step 6: Final answer
    x = 5,268,504,252.96

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Double scale
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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.