Home / 18,646,427,621.60-27,965,162,456.40-10,768,804,632.80

Finding the Fourth Proportional to 18,646,427,621.60, 27,965,162,456.40 and 10,768,804,632.80

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Solution

The fourth proportional to 18,646,427,621.60, 27,965,162,456.40 and 10,768,804,632.80 is: 16,150,620,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646,427,621.60 : 27,965,162,456.40 = 10,768,804,632.80 : x
  2. Step 2: Convert to fraction form
    18,646,427,621.60/27,965,162,456.40 = 10,768,804,632.80/x
  3. Step 3: Cross multiply
    18,646,427,621.60x = 27,965,162,456.40 × 10,768,804,632.80
  4. Step 4: Simplify right side
    18,646,427,621.60x = 301,151,371,017,484,959,744
  5. Step 5: Solve for x
    x = 301,151,371,017,484,959,744/18,646,427,621.60
  6. Step 6: Final answer
    x = 16,150,620,222.22

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1.5x scale

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.