Home / 383,184,005.20-574,776,007.80-178,732,747.60

Finding the Fourth Proportional to 383,184,005.20, 574,776,007.80 and 178,732,747.60

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Solution

The fourth proportional to 383,184,005.20, 574,776,007.80 and 178,732,747.60 is: 268,099,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,184,005.20 : 574,776,007.80 = 178,732,747.60 : x
  2. Step 2: Convert to fraction form
    383,184,005.20/574,776,007.80 = 178,732,747.60/x
  3. Step 3: Cross multiply
    383,184,005.20x = 574,776,007.80 × 178,732,747.60
  4. Step 4: Simplify right side
    383,184,005.20x = 102,731,295,128,653,024
  5. Step 5: Solve for x
    x = 102,731,295,128,653,024/383,184,005.20
  6. Step 6: Final answer
    x = 268,099,121.40

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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.