Home / 1,322,989,801.28-1,825,708,104.48-736,278,781.76

Finding the Fourth Proportional to 1,322,989,801.28, 1,825,708,104.48 and 736,278,781.76

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Solution

The fourth proportional to 1,322,989,801.28, 1,825,708,104.48 and 736,278,781.76 is: 1,016,054,800.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,989,801.28 : 1,825,708,104.48 = 736,278,781.76 : x
  2. Step 2: Convert to fraction form
    1,322,989,801.28/1,825,708,104.48 = 736,278,781.76/x
  3. Step 3: Cross multiply
    1,322,989,801.28x = 1,825,708,104.48 × 736,278,781.76
  4. Step 4: Simplify right side
    1,322,989,801.28x = 1,344,230,139,015,893,248
  5. Step 5: Solve for x
    x = 1,344,230,139,015,893,248/1,322,989,801.28
  6. Step 6: Final answer
    x = 1,016,054,800.81

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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.