Home / 269,547,400.20-404,321,100.30-258,965,819.40

Finding the Fourth Proportional to 269,547,400.20, 404,321,100.30 and 258,965,819.40

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Solution

The fourth proportional to 269,547,400.20, 404,321,100.30 and 258,965,819.40 is: 388,448,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,547,400.20 : 404,321,100.30 = 258,965,819.40 : x
  2. Step 2: Convert to fraction form
    269,547,400.20/404,321,100.30 = 258,965,819.40/x
  3. Step 3: Cross multiply
    269,547,400.20x = 404,321,100.30 × 258,965,819.40
  4. Step 4: Simplify right side
    269,547,400.20x = 104,705,345,039,899,088
  5. Step 5: Solve for x
    x = 104,705,345,039,899,088/269,547,400.20
  6. Step 6: Final answer
    x = 388,448,729.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.