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Finding the Fourth Proportional to 836,453,324.40, 1,254,679,986.60 and 769,567,282.80

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Solution

The fourth proportional to 836,453,324.40, 1,254,679,986.60 and 769,567,282.80 is: 1,154,350,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,453,324.40 : 1,254,679,986.60 = 769,567,282.80 : x
  2. Step 2: Convert to fraction form
    836,453,324.40/1,254,679,986.60 = 769,567,282.80/x
  3. Step 3: Cross multiply
    836,453,324.40x = 1,254,679,986.60 × 769,567,282.80
  4. Step 4: Simplify right side
    836,453,324.40x = 965,560,668,071,302,272
  5. Step 5: Solve for x
    x = 965,560,668,071,302,272/836,453,324.40
  6. Step 6: Final answer
    x = 1,154,350,924.20

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1.5x scale

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.