Home / 12,885,377,612.72-19,330,848,396.80-3,922,267,767.49

Finding the Fourth Proportional to 12,885,377,612.72, 19,330,848,396.80 and 3,922,267,767.49

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Solution

The fourth proportional to 12,885,377,612.72, 19,330,848,396.80 and 3,922,267,767.49 is: 5,884,248,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,377,612.72 : 19,330,848,396.80 = 3,922,267,767.49 : x
  2. Step 2: Convert to fraction form
    12,885,377,612.72/19,330,848,396.80 = 3,922,267,767.49/x
  3. Step 3: Cross multiply
    12,885,377,612.72x = 19,330,848,396.80 × 3,922,267,767.49
  4. Step 4: Simplify right side
    12,885,377,612.72x = 75,820,763,584,907,722,752
  5. Step 5: Solve for x
    x = 75,820,763,584,907,722,752/12,885,377,612.72
  6. Step 6: Final answer
    x = 5,884,248,476.36

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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.