Home / 383,661,816.78-575,405,928.81-176,200,780.62

Finding the Fourth Proportional to 383,661,816.78, 575,405,928.81 and 176,200,780.62

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Solution

The fourth proportional to 383,661,816.78, 575,405,928.81 and 176,200,780.62 is: 264,261,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,661,816.78 : 575,405,928.81 = 176,200,780.62 : x
  2. Step 2: Convert to fraction form
    383,661,816.78/575,405,928.81 = 176,200,780.62/x
  3. Step 3: Cross multiply
    383,661,816.78x = 575,405,928.81 × 176,200,780.62
  4. Step 4: Simplify right side
    383,661,816.78x = 101,386,973,829,698,144
  5. Step 5: Solve for x
    x = 101,386,973,829,698,144/383,661,816.78
  6. Step 6: Final answer
    x = 264,261,308.78

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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.