Home / 375,864,175.84-518,576,318.64-219,120,334.56

Finding the Fourth Proportional to 375,864,175.84, 518,576,318.64 and 219,120,334.56

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Solution

The fourth proportional to 375,864,175.84, 518,576,318.64 and 219,120,334.56 is: 302,318,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,864,175.84 : 518,576,318.64 = 219,120,334.56 : x
  2. Step 2: Convert to fraction form
    375,864,175.84/518,576,318.64 = 219,120,334.56/x
  3. Step 3: Cross multiply
    375,864,175.84x = 518,576,318.64 × 219,120,334.56
  4. Step 4: Simplify right side
    375,864,175.84x = 113,630,616,435,289,968
  5. Step 5: Solve for x
    x = 113,630,616,435,289,968/375,864,175.84
  6. Step 6: Final answer
    x = 302,318,294.05

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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.