Home / 359,106,515-495,567,202.92-200,336,638.64

Finding the Fourth Proportional to 359,106,515, 495,567,202.92 and 200,336,638.64

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Solution

The fourth proportional to 359,106,515, 495,567,202.92 and 200,336,638.64 is: 276,464,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,106,515 : 495,567,202.92 = 200,336,638.64 : x
  2. Step 2: Convert to fraction form
    359,106,515/495,567,202.92 = 200,336,638.64/x
  3. Step 3: Cross multiply
    359,106,515x = 495,567,202.92 × 200,336,638.64
  4. Step 4: Simplify right side
    359,106,515x = 99,280,267,653,219,584
  5. Step 5: Solve for x
    x = 99,280,267,653,219,584/359,106,515
  6. Step 6: Final answer
    x = 276,464,679.72

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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.