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Finding the Fourth Proportional to 71,868,380,455.20, 107,802,570,682.80 and 71,868,380,455.20

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Solution

The fourth proportional to 71,868,380,455.20, 107,802,570,682.80 and 71,868,380,455.20 is: 107,802,570,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,868,380,455.20 : 107,802,570,682.80 = 71,868,380,455.20 : x
  2. Step 2: Convert to fraction form
    71,868,380,455.20/107,802,570,682.80 = 71,868,380,455.20/x
  3. Step 3: Cross multiply
    71,868,380,455.20x = 107,802,570,682.80 × 71,868,380,455.20
  4. Step 4: Simplify right side
    71,868,380,455.20x = 7,747,596,163,880,059,928,576
  5. Step 5: Solve for x
    x = 7,747,596,163,880,059,928,576/71,868,380,455.20
  6. Step 6: Final answer
    x = 107,802,570,682.80

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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.