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Finding the Fourth Proportional to 264,657,646,585.80, 396,986,469,878.70 and 65,910,935,728.80

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Solution

The fourth proportional to 264,657,646,585.80, 396,986,469,878.70 and 65,910,935,728.80 is: 98,866,403,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,657,646,585.80 : 396,986,469,878.70 = 65,910,935,728.80 : x
  2. Step 2: Convert to fraction form
    264,657,646,585.80/396,986,469,878.70 = 65,910,935,728.80/x
  3. Step 3: Cross multiply
    264,657,646,585.80x = 396,986,469,878.70 × 65,910,935,728.80
  4. Step 4: Simplify right side
    264,657,646,585.80x = 26,165,749,701,378,196,897,792
  5. Step 5: Solve for x
    x = 26,165,749,701,378,196,897,792/264,657,646,585.80
  6. Step 6: Final answer
    x = 98,866,403,593.20

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Double scale
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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.