Home / 1,244,274,464.72-1,717,113,118.92-687,345,836.24

Finding the Fourth Proportional to 1,244,274,464.72, 1,717,113,118.92 and 687,345,836.24

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Solution

The fourth proportional to 1,244,274,464.72, 1,717,113,118.92 and 687,345,836.24 is: 948,545,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,274,464.72 : 1,717,113,118.92 = 687,345,836.24 : x
  2. Step 2: Convert to fraction form
    1,244,274,464.72/1,717,113,118.92 = 687,345,836.24/x
  3. Step 3: Cross multiply
    1,244,274,464.72x = 1,717,113,118.92 × 687,345,836.24
  4. Step 4: Simplify right side
    1,244,274,464.72x = 1,180,250,552,642,742,016
  5. Step 5: Solve for x
    x = 1,180,250,552,642,742,016/1,244,274,464.72
  6. Step 6: Final answer
    x = 948,545,185.25

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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.