Home / 2,640,297,551.31-3,643,639,622.96-1,450,866,827.79

Finding the Fourth Proportional to 2,640,297,551.31, 3,643,639,622.96 and 1,450,866,827.79

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Solution

The fourth proportional to 2,640,297,551.31, 3,643,639,622.96 and 1,450,866,827.79 is: 2,002,212,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,297,551.31 : 3,643,639,622.96 = 1,450,866,827.79 : x
  2. Step 2: Convert to fraction form
    2,640,297,551.31/3,643,639,622.96 = 1,450,866,827.79/x
  3. Step 3: Cross multiply
    2,640,297,551.31x = 3,643,639,622.96 × 1,450,866,827.79
  4. Step 4: Simplify right side
    2,640,297,551.31x = 5,286,435,861,366,672,384
  5. Step 5: Solve for x
    x = 5,286,435,861,366,672,384/2,640,297,551.31
  6. Step 6: Final answer
    x = 2,002,212,159.29

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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.