Home / 1,913,345,626.78-2,640,416,944.35-1,033,279,330.78

Finding the Fourth Proportional to 1,913,345,626.78, 2,640,416,944.35 and 1,033,279,330.78

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Solution

The fourth proportional to 1,913,345,626.78, 2,640,416,944.35 and 1,033,279,330.78 is: 1,425,925,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,345,626.78 : 2,640,416,944.35 = 1,033,279,330.78 : x
  2. Step 2: Convert to fraction form
    1,913,345,626.78/2,640,416,944.35 = 1,033,279,330.78/x
  3. Step 3: Cross multiply
    1,913,345,626.78x = 2,640,416,944.35 × 1,033,279,330.78
  4. Step 4: Simplify right side
    1,913,345,626.78x = 2,728,288,253,238,140,416
  5. Step 5: Solve for x
    x = 2,728,288,253,238,140,416/1,913,345,626.78
  6. Step 6: Final answer
    x = 1,425,925,465.35

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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.