Home / 383,310,365.64-528,968,304.58-218,313,287.88

Finding the Fourth Proportional to 383,310,365.64, 528,968,304.58 and 218,313,287.88

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Solution

The fourth proportional to 383,310,365.64, 528,968,304.58 and 218,313,287.88 is: 301,272,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,310,365.64 : 528,968,304.58 = 218,313,287.88 : x
  2. Step 2: Convert to fraction form
    383,310,365.64/528,968,304.58 = 218,313,287.88/x
  3. Step 3: Cross multiply
    383,310,365.64x = 528,968,304.58 × 218,313,287.88
  4. Step 4: Simplify right side
    383,310,365.64x = 115,480,809,757,169,056
  5. Step 5: Solve for x
    x = 115,480,809,757,169,056/383,310,365.64
  6. Step 6: Final answer
    x = 301,272,337.27

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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.