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Finding the Fourth Proportional to 25,509,229,969.60, 38,263,844,954.40 and 25,509,229,969.60

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Solution

The fourth proportional to 25,509,229,969.60, 38,263,844,954.40 and 25,509,229,969.60 is: 38,263,844,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,229,969.60 : 38,263,844,954.40 = 25,509,229,969.60 : x
  2. Step 2: Convert to fraction form
    25,509,229,969.60/38,263,844,954.40 = 25,509,229,969.60/x
  3. Step 3: Cross multiply
    25,509,229,969.60x = 38,263,844,954.40 × 25,509,229,969.60
  4. Step 4: Simplify right side
    25,509,229,969.60x = 976,081,220,462,908,145,664
  5. Step 5: Solve for x
    x = 976,081,220,462,908,145,664/25,509,229,969.60
  6. Step 6: Final answer
    x = 38,263,844,954.40

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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.