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Finding the Fourth Proportional to 2,690,745,362.40, 4,028,465,293.20 and 2,690,745,362.40

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Solution

The fourth proportional to 2,690,745,362.40, 4,028,465,293.20 and 2,690,745,362.40 is: 4,028,465,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,745,362.40 : 4,028,465,293.20 = 2,690,745,362.40 : x
  2. Step 2: Convert to fraction form
    2,690,745,362.40/4,028,465,293.20 = 2,690,745,362.40/x
  3. Step 3: Cross multiply
    2,690,745,362.40x = 4,028,465,293.20 × 2,690,745,362.40
  4. Step 4: Simplify right side
    2,690,745,362.40x = 10,839,574,305,267,255,296
  5. Step 5: Solve for x
    x = 10,839,574,305,267,255,296/2,690,745,362.40
  6. Step 6: Final answer
    x = 4,028,465,293.20

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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.