Home / 2,080,128,562.11-2,870,759,019.55-1,140,512,807.37

Finding the Fourth Proportional to 2,080,128,562.11, 2,870,759,019.55 and 1,140,512,807.37

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Solution

The fourth proportional to 2,080,128,562.11, 2,870,759,019.55 and 1,140,512,807.37 is: 1,574,007,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,128,562.11 : 2,870,759,019.55 = 1,140,512,807.37 : x
  2. Step 2: Convert to fraction form
    2,080,128,562.11/2,870,759,019.55 = 1,140,512,807.37/x
  3. Step 3: Cross multiply
    2,080,128,562.11x = 2,870,759,019.55 × 1,140,512,807.37
  4. Step 4: Simplify right side
    2,080,128,562.11x = 3,274,137,428,669,719,040
  5. Step 5: Solve for x
    x = 3,274,137,428,669,719,040/2,080,128,562.11
  6. Step 6: Final answer
    x = 1,574,007,245.66

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Double scale
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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.