Home / 12,778,081,522.87-19,167,512,761.98-4,383,869,405.11

Finding the Fourth Proportional to 12,778,081,522.87, 19,167,512,761.98 and 4,383,869,405.11

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Solution

The fourth proportional to 12,778,081,522.87, 19,167,512,761.98 and 4,383,869,405.11 is: 6,575,938,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,081,522.87 : 19,167,512,761.98 = 4,383,869,405.11 : x
  2. Step 2: Convert to fraction form
    12,778,081,522.87/19,167,512,761.98 = 4,383,869,405.11/x
  3. Step 3: Cross multiply
    12,778,081,522.87x = 19,167,512,761.98 × 4,383,869,405.11
  4. Step 4: Simplify right side
    12,778,081,522.87x = 84,027,872,769,299,578,880
  5. Step 5: Solve for x
    x = 84,027,872,769,299,578,880/12,778,081,522.87
  6. Step 6: Final answer
    x = 6,575,938,071.68

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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.