Home / 263,263,140.30-394,894,710.45-186,735,636.30

Finding the Fourth Proportional to 263,263,140.30, 394,894,710.45 and 186,735,636.30

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Solution

The fourth proportional to 263,263,140.30, 394,894,710.45 and 186,735,636.30 is: 280,103,454.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,263,140.30 : 394,894,710.45 = 186,735,636.30 : x
  2. Step 2: Convert to fraction form
    263,263,140.30/394,894,710.45 = 186,735,636.30/x
  3. Step 3: Cross multiply
    263,263,140.30x = 394,894,710.45 × 186,735,636.30
  4. Step 4: Simplify right side
    263,263,140.30x = 73,740,915,027,385,008
  5. Step 5: Solve for x
    x = 73,740,915,027,385,008/263,263,140.30
  6. Step 6: Final answer
    x = 280,103,454.45

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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.