Home / 455,056,985.80-682,585,478.70-450,522,022.60

Finding the Fourth Proportional to 455,056,985.80, 682,585,478.70 and 450,522,022.60

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Solution

The fourth proportional to 455,056,985.80, 682,585,478.70 and 450,522,022.60 is: 675,783,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,056,985.80 : 682,585,478.70 = 450,522,022.60 : x
  2. Step 2: Convert to fraction form
    455,056,985.80/682,585,478.70 = 450,522,022.60/x
  3. Step 3: Cross multiply
    455,056,985.80x = 682,585,478.70 × 450,522,022.60
  4. Step 4: Simplify right side
    455,056,985.80x = 307,519,790,461,313,280
  5. Step 5: Solve for x
    x = 307,519,790,461,313,280/455,056,985.80
  6. Step 6: Final answer
    x = 675,783,033.90

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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.