Home / 1,304,733,856.86-1,800,533,016.41-718,022,992.86

Finding the Fourth Proportional to 1,304,733,856.86, 1,800,533,016.41 and 718,022,992.86

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Solution

The fourth proportional to 1,304,733,856.86, 1,800,533,016.41 and 718,022,992.86 is: 990,871,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,733,856.86 : 1,800,533,016.41 = 718,022,992.86 : x
  2. Step 2: Convert to fraction form
    1,304,733,856.86/1,800,533,016.41 = 718,022,992.86/x
  3. Step 3: Cross multiply
    1,304,733,856.86x = 1,800,533,016.41 × 718,022,992.86
  4. Step 4: Simplify right side
    1,304,733,856.86x = 1,292,824,105,182,361,600
  5. Step 5: Solve for x
    x = 1,292,824,105,182,361,600/1,304,733,856.86
  6. Step 6: Final answer
    x = 990,871,891.91

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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.