Home / 2,167,311,069.38-2,991,137,384.90-1,214,949,028.25

Finding the Fourth Proportional to 2,167,311,069.38, 2,991,137,384.90 and 1,214,949,028.25

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Solution

The fourth proportional to 2,167,311,069.38, 2,991,137,384.90 and 1,214,949,028.25 is: 1,676,768,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,311,069.38 : 2,991,137,384.90 = 1,214,949,028.25 : x
  2. Step 2: Convert to fraction form
    2,167,311,069.38/2,991,137,384.90 = 1,214,949,028.25/x
  3. Step 3: Cross multiply
    2,167,311,069.38x = 2,991,137,384.90 × 1,214,949,028.25
  4. Step 4: Simplify right side
    2,167,311,069.38x = 3,634,079,459,157,016,576
  5. Step 5: Solve for x
    x = 3,634,079,459,157,016,576/2,167,311,069.38
  6. Step 6: Final answer
    x = 1,676,768,743.77

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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.