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Finding the Fourth Proportional to 637,223,556.90, 955,835,335.35 and 637,223,556.90

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Solution

The fourth proportional to 637,223,556.90, 955,835,335.35 and 637,223,556.90 is: 955,835,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,223,556.90 : 955,835,335.35 = 637,223,556.90 : x
  2. Step 2: Convert to fraction form
    637,223,556.90/955,835,335.35 = 637,223,556.90/x
  3. Step 3: Cross multiply
    637,223,556.90x = 955,835,335.35 × 637,223,556.90
  4. Step 4: Simplify right side
    637,223,556.90x = 609,080,792,202,431,360
  5. Step 5: Solve for x
    x = 609,080,792,202,431,360/637,223,556.90
  6. Step 6: Final answer
    x = 955,835,335.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.