Home / 12,944,449,149.60-19,416,673,724.40-7,440,683,440.80

Finding the Fourth Proportional to 12,944,449,149.60, 19,416,673,724.40 and 7,440,683,440.80

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Solution

The fourth proportional to 12,944,449,149.60, 19,416,673,724.40 and 7,440,683,440.80 is: 11,161,025,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,449,149.60 : 19,416,673,724.40 = 7,440,683,440.80 : x
  2. Step 2: Convert to fraction form
    12,944,449,149.60/19,416,673,724.40 = 7,440,683,440.80/x
  3. Step 3: Cross multiply
    12,944,449,149.60x = 19,416,673,724.40 × 7,440,683,440.80
  4. Step 4: Simplify right side
    12,944,449,149.60x = 144,473,322,656,559,562,752
  5. Step 5: Solve for x
    x = 144,473,322,656,559,562,752/12,944,449,149.60
  6. Step 6: Final answer
    x = 11,161,025,161.20

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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.