Home / 8,547,770,412.30-12,821,655,618.45-3,640,940,229.90

Finding the Fourth Proportional to 8,547,770,412.30, 12,821,655,618.45 and 3,640,940,229.90

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Solution

The fourth proportional to 8,547,770,412.30, 12,821,655,618.45 and 3,640,940,229.90 is: 5,461,410,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,770,412.30 : 12,821,655,618.45 = 3,640,940,229.90 : x
  2. Step 2: Convert to fraction form
    8,547,770,412.30/12,821,655,618.45 = 3,640,940,229.90/x
  3. Step 3: Cross multiply
    8,547,770,412.30x = 12,821,655,618.45 × 3,640,940,229.90
  4. Step 4: Simplify right side
    8,547,770,412.30x = 46,682,881,755,137,974,272
  5. Step 5: Solve for x
    x = 46,682,881,755,137,974,272/8,547,770,412.30
  6. Step 6: Final answer
    x = 5,461,410,344.85

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Double scale
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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.