Home / 2,640,297,547.81-3,643,639,618.13-1,450,866,824.29

Finding the Fourth Proportional to 2,640,297,547.81, 3,643,639,618.13 and 1,450,866,824.29

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Solution

The fourth proportional to 2,640,297,547.81, 3,643,639,618.13 and 1,450,866,824.29 is: 2,002,212,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,297,547.81 : 3,643,639,618.13 = 1,450,866,824.29 : x
  2. Step 2: Convert to fraction form
    2,640,297,547.81/3,643,639,618.13 = 1,450,866,824.29/x
  3. Step 3: Cross multiply
    2,640,297,547.81x = 3,643,639,618.13 × 1,450,866,824.29
  4. Step 4: Simplify right side
    2,640,297,547.81x = 5,286,435,841,613,501,440
  5. Step 5: Solve for x
    x = 5,286,435,841,613,501,440/2,640,297,547.81
  6. Step 6: Final answer
    x = 2,002,212,154.46

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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.