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Finding the Fourth Proportional to 3,836,384,430.80, 5,754,576,646.20 and 3,836,384,430.80

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Solution

The fourth proportional to 3,836,384,430.80, 5,754,576,646.20 and 3,836,384,430.80 is: 5,754,576,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,384,430.80 : 5,754,576,646.20 = 3,836,384,430.80 : x
  2. Step 2: Convert to fraction form
    3,836,384,430.80/5,754,576,646.20 = 3,836,384,430.80/x
  3. Step 3: Cross multiply
    3,836,384,430.80x = 5,754,576,646.20 × 3,836,384,430.80
  4. Step 4: Simplify right side
    3,836,384,430.80x = 22,076,768,251,326,959,616
  5. Step 5: Solve for x
    x = 22,076,768,251,326,959,616/3,836,384,430.80
  6. Step 6: Final answer
    x = 5,754,576,646.20

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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.