Home / 383,518,087.81-529,115,936.21-314,196,923.77

Finding the Fourth Proportional to 383,518,087.81, 529,115,936.21 and 314,196,923.77

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Solution

The fourth proportional to 383,518,087.81, 529,115,936.21 and 314,196,923.77 is: 433,477,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,518,087.81 : 529,115,936.21 = 314,196,923.77 : x
  2. Step 2: Convert to fraction form
    383,518,087.81/529,115,936.21 = 314,196,923.77/x
  3. Step 3: Cross multiply
    383,518,087.81x = 529,115,936.21 × 314,196,923.77
  4. Step 4: Simplify right side
    383,518,087.81x = 166,246,599,473,150,016
  5. Step 5: Solve for x
    x = 166,246,599,473,150,016/383,518,087.81
  6. Step 6: Final answer
    x = 433,477,858.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.