Home / 2,585,716,511.58-3,879,119,491.02-838,782,843.66

Finding the Fourth Proportional to 2,585,716,511.58, 3,879,119,491.02 and 838,782,843.66

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Solution

The fourth proportional to 2,585,716,511.58, 3,879,119,491.02 and 838,782,843.66 is: 1,258,350,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,716,511.58 : 3,879,119,491.02 = 838,782,843.66 : x
  2. Step 2: Convert to fraction form
    2,585,716,511.58/3,879,119,491.02 = 838,782,843.66/x
  3. Step 3: Cross multiply
    2,585,716,511.58x = 3,879,119,491.02 × 838,782,843.66
  4. Step 4: Simplify right side
    2,585,716,511.58x = 3,253,738,877,574,687,232
  5. Step 5: Solve for x
    x = 3,253,738,877,574,687,232/2,585,716,511.58
  6. Step 6: Final answer
    x = 1,258,350,968.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.