Home / 7,420,231,696.32-10,239,804,974.16-4,078,658,175.84

Finding the Fourth Proportional to 7,420,231,696.32, 10,239,804,974.16 and 4,078,658,175.84

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Solution

The fourth proportional to 7,420,231,696.32, 10,239,804,974.16 and 4,078,658,175.84 is: 5,628,485,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420,231,696.32 : 10,239,804,974.16 = 4,078,658,175.84 : x
  2. Step 2: Convert to fraction form
    7,420,231,696.32/10,239,804,974.16 = 4,078,658,175.84/x
  3. Step 3: Cross multiply
    7,420,231,696.32x = 10,239,804,974.16 × 4,078,658,175.84
  4. Step 4: Simplify right side
    7,420,231,696.32x = 41,764,664,276,864,786,432
  5. Step 5: Solve for x
    x = 41,764,664,276,864,786,432/7,420,231,696.32
  6. Step 6: Final answer
    x = 5,628,485,199.13

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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.