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Finding the Fourth Proportional to 53,465,389,870.60, 80,198,084,805.90 and 53,465,389,870.60

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Solution

The fourth proportional to 53,465,389,870.60, 80,198,084,805.90 and 53,465,389,870.60 is: 80,198,084,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465,389,870.60 : 80,198,084,805.90 = 53,465,389,870.60 : x
  2. Step 2: Convert to fraction form
    53,465,389,870.60/80,198,084,805.90 = 53,465,389,870.60/x
  3. Step 3: Cross multiply
    53,465,389,870.60x = 80,198,084,805.90 × 53,465,389,870.60
  4. Step 4: Simplify right side
    53,465,389,870.60x = 4,287,821,871,022,885,306,368
  5. Step 5: Solve for x
    x = 4,287,821,871,022,885,306,368/53,465,389,870.60
  6. Step 6: Final answer
    x = 80,198,084,805.90

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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.