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Finding the Fourth Proportional to 165,657,208,619.20, 248,485,812,928.80 and 165,657,208,619.20

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Solution

The fourth proportional to 165,657,208,619.20, 248,485,812,928.80 and 165,657,208,619.20 is: 248,485,812,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,657,208,619.20 : 248,485,812,928.80 = 165,657,208,619.20 : x
  2. Step 2: Convert to fraction form
    165,657,208,619.20/248,485,812,928.80 = 165,657,208,619.20/x
  3. Step 3: Cross multiply
    165,657,208,619.20x = 248,485,812,928.80 × 165,657,208,619.20
  4. Step 4: Simplify right side
    165,657,208,619.20x = 41,163,466,151,257,723,371,520
  5. Step 5: Solve for x
    x = 41,163,466,151,257,723,371,520/165,657,208,619.20
  6. Step 6: Final answer
    x = 248,485,812,928.80

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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.