Home / 1,964,102,062.74-2,714,006,346.21-1,398,605,178.93

Finding the Fourth Proportional to 1,964,102,062.74, 2,714,006,346.21 and 1,398,605,178.93

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Solution

The fourth proportional to 1,964,102,062.74, 2,714,006,346.21 and 1,398,605,178.93 is: 1,932,599,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,102,062.74 : 2,714,006,346.21 = 1,398,605,178.93 : x
  2. Step 2: Convert to fraction form
    1,964,102,062.74/2,714,006,346.21 = 1,398,605,178.93/x
  3. Step 3: Cross multiply
    1,964,102,062.74x = 2,714,006,346.21 × 1,398,605,178.93
  4. Step 4: Simplify right side
    1,964,102,062.74x = 3,795,823,331,458,192,896
  5. Step 5: Solve for x
    x = 3,795,823,331,458,192,896/1,964,102,062.74
  6. Step 6: Final answer
    x = 1,932,599,839.62

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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.