Home / 12,754,612,821.60-19,131,919,232.40-11,928,115,778.40

Finding the Fourth Proportional to 12,754,612,821.60, 19,131,919,232.40 and 11,928,115,778.40

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Solution

The fourth proportional to 12,754,612,821.60, 19,131,919,232.40 and 11,928,115,778.40 is: 17,892,173,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,612,821.60 : 19,131,919,232.40 = 11,928,115,778.40 : x
  2. Step 2: Convert to fraction form
    12,754,612,821.60/19,131,919,232.40 = 11,928,115,778.40/x
  3. Step 3: Cross multiply
    12,754,612,821.60x = 19,131,919,232.40 × 11,928,115,778.40
  4. Step 4: Simplify right side
    12,754,612,821.60x = 228,207,747,667,064,881,152
  5. Step 5: Solve for x
    x = 228,207,747,667,064,881,152/12,754,612,821.60
  6. Step 6: Final answer
    x = 17,892,173,667.60

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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.