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Finding the Fourth Proportional to 1,224,212,601.60, 1,717,525,612.80 and 1,224,212,601.60

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Solution

The fourth proportional to 1,224,212,601.60, 1,717,525,612.80 and 1,224,212,601.60 is: 1,717,525,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,212,601.60 : 1,717,525,612.80 = 1,224,212,601.60 : x
  2. Step 2: Convert to fraction form
    1,224,212,601.60/1,717,525,612.80 = 1,224,212,601.60/x
  3. Step 3: Cross multiply
    1,224,212,601.60x = 1,717,525,612.80 × 1,224,212,601.60
  4. Step 4: Simplify right side
    1,224,212,601.60x = 2,102,616,498,760,521,984
  5. Step 5: Solve for x
    x = 2,102,616,498,760,521,984/1,224,212,601.60
  6. Step 6: Final answer
    x = 1,717,525,612.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.