Home / 1,200,470,556.66-1,656,649,368.20-651,049,500.66

Finding the Fourth Proportional to 1,200,470,556.66, 1,656,649,368.20 and 651,049,500.66

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Solution

The fourth proportional to 1,200,470,556.66, 1,656,649,368.20 and 651,049,500.66 is: 898,448,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,470,556.66 : 1,656,649,368.20 = 651,049,500.66 : x
  2. Step 2: Convert to fraction form
    1,200,470,556.66/1,656,649,368.20 = 651,049,500.66/x
  3. Step 3: Cross multiply
    1,200,470,556.66x = 1,656,649,368.20 × 651,049,500.66
  4. Step 4: Simplify right side
    1,200,470,556.66x = 1,078,560,743,930,729,728
  5. Step 5: Solve for x
    x = 1,078,560,743,930,729,728/1,200,470,556.66
  6. Step 6: Final answer
    x = 898,448,310.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.