Home / 2,080,128,555.34-2,870,759,010.24-1,140,512,800.60

Finding the Fourth Proportional to 2,080,128,555.34, 2,870,759,010.24 and 1,140,512,800.60

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Solution

The fourth proportional to 2,080,128,555.34, 2,870,759,010.24 and 1,140,512,800.60 is: 1,574,007,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,128,555.34 : 2,870,759,010.24 = 1,140,512,800.60 : x
  2. Step 2: Convert to fraction form
    2,080,128,555.34/2,870,759,010.24 = 1,140,512,800.60/x
  3. Step 3: Cross multiply
    2,080,128,555.34x = 2,870,759,010.24 × 1,140,512,800.60
  4. Step 4: Simplify right side
    2,080,128,555.34x = 3,274,137,398,616,505,856
  5. Step 5: Solve for x
    x = 3,274,137,398,616,505,856/2,080,128,555.34
  6. Step 6: Final answer
    x = 1,574,007,236.34

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Half scale
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Double scale
Find fourth proportional to 2,080,128,556.34, 2,870,759,011.62 and 1,140,512,801.60
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1.5x scale

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.