Home / 6,620,857,803.36-9,138,997,800.72-3,945,476,930.76

Finding the Fourth Proportional to 6,620,857,803.36, 9,138,997,800.72 and 3,945,476,930.76

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Solution

The fourth proportional to 6,620,857,803.36, 9,138,997,800.72 and 3,945,476,930.76 is: 5,446,077,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,857,803.36 : 9,138,997,800.72 = 3,945,476,930.76 : x
  2. Step 2: Convert to fraction form
    6,620,857,803.36/9,138,997,800.72 = 3,945,476,930.76/x
  3. Step 3: Cross multiply
    6,620,857,803.36x = 9,138,997,800.72 × 3,945,476,930.76
  4. Step 4: Simplify right side
    6,620,857,803.36x = 36,057,704,993,007,136,768
  5. Step 5: Solve for x
    x = 36,057,704,993,007,136,768/6,620,857,803.36
  6. Step 6: Final answer
    x = 5,446,077,542.20

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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.