Home / 699,533,140.80-1,048,821,414.30-331,244,527.80

Finding the Fourth Proportional to 699,533,140.80, 1,048,821,414.30 and 331,244,527.80

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Solution

The fourth proportional to 699,533,140.80, 1,048,821,414.30 and 331,244,527.80 is: 496,640,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,533,140.80 : 1,048,821,414.30 = 331,244,527.80 : x
  2. Step 2: Convert to fraction form
    699,533,140.80/1,048,821,414.30 = 331,244,527.80/x
  3. Step 3: Cross multiply
    699,533,140.80x = 1,048,821,414.30 × 331,244,527.80
  4. Step 4: Simplify right side
    699,533,140.80x = 347,416,354,126,331,648
  5. Step 5: Solve for x
    x = 347,416,354,126,331,648/699,533,140.80
  6. Step 6: Final answer
    x = 496,640,307.46

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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.