Home / 12,572,787,657.45-18,855,964,671.62-3,727,558,186.41

Finding the Fourth Proportional to 12,572,787,657.45, 18,855,964,671.62 and 3,727,558,186.41

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Solution

The fourth proportional to 12,572,787,657.45, 18,855,964,671.62 and 3,727,558,186.41 is: 5,590,383,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,787,657.45 : 18,855,964,671.62 = 3,727,558,186.41 : x
  2. Step 2: Convert to fraction form
    12,572,787,657.45/18,855,964,671.62 = 3,727,558,186.41/x
  3. Step 3: Cross multiply
    12,572,787,657.45x = 18,855,964,671.62 × 3,727,558,186.41
  4. Step 4: Simplify right side
    12,572,787,657.45x = 70,286,705,474,336,243,712
  5. Step 5: Solve for x
    x = 70,286,705,474,336,243,712/12,572,787,657.45
  6. Step 6: Final answer
    x = 5,590,383,564.04

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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.