Home / 1,273,931,485,364.40-1,758,025,382,568.60-687,981,274,612.44

Finding the Fourth Proportional to 1,273,931,485,364.40, 1,758,025,382,568.60 and 687,981,274,612.44

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Solution

The fourth proportional to 1,273,931,485,364.40, 1,758,025,382,568.60 and 687,981,274,612.44 is: 949,414,122,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,931,485,364.40 : 1,758,025,382,568.60 = 687,981,274,612.44 : x
  2. Step 2: Convert to fraction form
    1,273,931,485,364.40/1,758,025,382,568.60 = 687,981,274,612.44/x
  3. Step 3: Cross multiply
    1,273,931,485,364.40x = 1,758,025,382,568.60 × 687,981,274,612.44
  4. Step 4: Simplify right side
    1,273,931,485,364.40x = 1,209,488,543,500,567,813,554,176
  5. Step 5: Solve for x
    x = 1,209,488,543,500,567,813,554,176/1,273,931,485,364.40
  6. Step 6: Final answer
    x = 949,414,122,655.59

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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.