Home / 12,778,081,521.37-19,167,512,759.73-4,383,869,403.61

Finding the Fourth Proportional to 12,778,081,521.37, 19,167,512,759.73 and 4,383,869,403.61

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Solution

The fourth proportional to 12,778,081,521.37, 19,167,512,759.73 and 4,383,869,403.61 is: 6,575,938,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,081,521.37 : 19,167,512,759.73 = 4,383,869,403.61 : x
  2. Step 2: Convert to fraction form
    12,778,081,521.37/19,167,512,759.73 = 4,383,869,403.61/x
  3. Step 3: Cross multiply
    12,778,081,521.37x = 19,167,512,759.73 × 4,383,869,403.61
  4. Step 4: Simplify right side
    12,778,081,521.37x = 84,027,872,730,566,852,608
  5. Step 5: Solve for x
    x = 84,027,872,730,566,852,608/12,778,081,521.37
  6. Step 6: Final answer
    x = 6,575,938,069.42

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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.