Home / 12,778,081,238.33-19,167,512,336.05-4,383,869,121.85

Finding the Fourth Proportional to 12,778,081,238.33, 19,167,512,336.05 and 4,383,869,121.85

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Solution

The fourth proportional to 12,778,081,238.33, 19,167,512,336.05 and 4,383,869,121.85 is: 6,575,937,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,081,238.33 : 19,167,512,336.05 = 4,383,869,121.85 : x
  2. Step 2: Convert to fraction form
    12,778,081,238.33/19,167,512,336.05 = 4,383,869,121.85/x
  3. Step 3: Cross multiply
    12,778,081,238.33x = 19,167,512,336.05 × 4,383,869,121.85
  4. Step 4: Simplify right side
    12,778,081,238.33x = 84,027,865,472,695,402,496
  5. Step 5: Solve for x
    x = 84,027,865,472,695,402,496/12,778,081,238.33
  6. Step 6: Final answer
    x = 6,575,937,647.09

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Double scale
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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.