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Finding the Fourth Proportional to 901,971,556.80, 1,352,957,335.20 and 901,971,556.80

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Solution

The fourth proportional to 901,971,556.80, 1,352,957,335.20 and 901,971,556.80 is: 1,352,957,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,971,556.80 : 1,352,957,335.20 = 901,971,556.80 : x
  2. Step 2: Convert to fraction form
    901,971,556.80/1,352,957,335.20 = 901,971,556.80/x
  3. Step 3: Cross multiply
    901,971,556.80x = 1,352,957,335.20 × 901,971,556.80
  4. Step 4: Simplify right side
    901,971,556.80x = 1,220,329,033,914,323,456
  5. Step 5: Solve for x
    x = 1,220,329,033,914,323,456/901,971,556.80
  6. Step 6: Final answer
    x = 1,352,957,335.20

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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.