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Finding the Fourth Proportional to 4,251,531,736.80, 5,938,369,480.80 and 4,251,531,736.80

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Solution

The fourth proportional to 4,251,531,736.80, 5,938,369,480.80 and 4,251,531,736.80 is: 5,938,369,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251,531,736.80 : 5,938,369,480.80 = 4,251,531,736.80 : x
  2. Step 2: Convert to fraction form
    4,251,531,736.80/5,938,369,480.80 = 4,251,531,736.80/x
  3. Step 3: Cross multiply
    4,251,531,736.80x = 5,938,369,480.80 × 4,251,531,736.80
  4. Step 4: Simplify right side
    4,251,531,736.80x = 25,247,166,312,465,739,776
  5. Step 5: Solve for x
    x = 25,247,166,312,465,739,776/4,251,531,736.80
  6. Step 6: Final answer
    x = 5,938,369,480.80

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Double scale
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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.