Home / 1,273,931,465,864.10-1,758,025,355,649.20-687,981,255,117.26

Finding the Fourth Proportional to 1,273,931,465,864.10, 1,758,025,355,649.20 and 687,981,255,117.26

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Solution

The fourth proportional to 1,273,931,465,864.10, 1,758,025,355,649.20 and 687,981,255,117.26 is: 949,414,095,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,931,465,864.10 : 1,758,025,355,649.20 = 687,981,255,117.26 : x
  2. Step 2: Convert to fraction form
    1,273,931,465,864.10/1,758,025,355,649.20 = 687,981,255,117.26/x
  3. Step 3: Cross multiply
    1,273,931,465,864.10x = 1,758,025,355,649.20 × 687,981,255,117.26
  4. Step 4: Simplify right side
    1,273,931,465,864.10x = 1,209,488,490,707,504,120,987,648
  5. Step 5: Solve for x
    x = 1,209,488,490,707,504,120,987,648/1,273,931,465,864.10
  6. Step 6: Final answer
    x = 949,414,095,747.38

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Double scale
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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.