Home / 2,121,746,491.09-2,927,878,229.14-1,169,073,916.30

Finding the Fourth Proportional to 2,121,746,491.09, 2,927,878,229.14 and 1,169,073,916.30

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Solution

The fourth proportional to 2,121,746,491.09, 2,927,878,229.14 and 1,169,073,916.30 is: 1,613,249,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,746,491.09 : 2,927,878,229.14 = 1,169,073,916.30 : x
  2. Step 2: Convert to fraction form
    2,121,746,491.09/2,927,878,229.14 = 1,169,073,916.30/x
  3. Step 3: Cross multiply
    2,121,746,491.09x = 2,927,878,229.14 × 1,169,073,916.30
  4. Step 4: Simplify right side
    2,121,746,491.09x = 3,422,906,067,790,798,848
  5. Step 5: Solve for x
    x = 3,422,906,067,790,798,848/2,121,746,491.09
  6. Step 6: Final answer
    x = 1,613,249,312.38

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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.