Home / 2,151,983,733.92-2,969,742,936.48-1,247,914,904.48

Finding the Fourth Proportional to 2,151,983,733.92, 2,969,742,936.48 and 1,247,914,904.48

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Solution

The fourth proportional to 2,151,983,733.92, 2,969,742,936.48 and 1,247,914,904.48 is: 1,722,125,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,983,733.92 : 2,969,742,936.48 = 1,247,914,904.48 : x
  2. Step 2: Convert to fraction form
    2,151,983,733.92/2,969,742,936.48 = 1,247,914,904.48/x
  3. Step 3: Cross multiply
    2,151,983,733.92x = 2,969,742,936.48 × 1,247,914,904.48
  4. Step 4: Simplify right side
    2,151,983,733.92x = 3,705,986,472,907,594,240
  5. Step 5: Solve for x
    x = 3,705,986,472,907,594,240/2,151,983,733.92
  6. Step 6: Final answer
    x = 1,722,125,690.12

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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.