Home / 351,168,342.20-526,752,513.30-221,355,020.60

Finding the Fourth Proportional to 351,168,342.20, 526,752,513.30 and 221,355,020.60

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Solution

The fourth proportional to 351,168,342.20, 526,752,513.30 and 221,355,020.60 is: 332,032,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,168,342.20 : 526,752,513.30 = 221,355,020.60 : x
  2. Step 2: Convert to fraction form
    351,168,342.20/526,752,513.30 = 221,355,020.60/x
  3. Step 3: Cross multiply
    351,168,342.20x = 526,752,513.30 × 221,355,020.60
  4. Step 4: Simplify right side
    351,168,342.20x = 116,599,313,432,623,280
  5. Step 5: Solve for x
    x = 116,599,313,432,623,280/351,168,342.20
  6. Step 6: Final answer
    x = 332,032,530.90

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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.