Home / 701,442,940.80-1,052,164,411.20-190,839,676.80

Finding the Fourth Proportional to 701,442,940.80, 1,052,164,411.20 and 190,839,676.80

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Solution

The fourth proportional to 701,442,940.80, 1,052,164,411.20 and 190,839,676.80 is: 286,259,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,442,940.80 : 1,052,164,411.20 = 190,839,676.80 : x
  2. Step 2: Convert to fraction form
    701,442,940.80/1,052,164,411.20 = 190,839,676.80/x
  3. Step 3: Cross multiply
    701,442,940.80x = 1,052,164,411.20 × 190,839,676.80
  4. Step 4: Simplify right side
    701,442,940.80x = 200,794,716,173,870,336
  5. Step 5: Solve for x
    x = 200,794,716,173,870,336/701,442,940.80
  6. Step 6: Final answer
    x = 286,259,515.20

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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.