Home / 1,855,419,342-2,560,413,451.32-1,020,037,830

Finding the Fourth Proportional to 1,855,419,342, 2,560,413,451.32 and 1,020,037,830

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Solution

The fourth proportional to 1,855,419,342, 2,560,413,451.32 and 1,020,037,830 is: 1,407,616,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,419,342 : 2,560,413,451.32 = 1,020,037,830 : x
  2. Step 2: Convert to fraction form
    1,855,419,342/2,560,413,451.32 = 1,020,037,830/x
  3. Step 3: Cross multiply
    1,855,419,342x = 2,560,413,451.32 × 1,020,037,830
  4. Step 4: Simplify right side
    1,855,419,342x = 2,611,718,580,787,263,488
  5. Step 5: Solve for x
    x = 2,611,718,580,787,263,488/1,855,419,342
  6. Step 6: Final answer
    x = 1,407,616,338.62

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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.