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Finding the Fourth Proportional to 6,611,220,028.20, 9,916,830,042.30 and 6,611,220,028.20

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Solution

The fourth proportional to 6,611,220,028.20, 9,916,830,042.30 and 6,611,220,028.20 is: 9,916,830,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611,220,028.20 : 9,916,830,042.30 = 6,611,220,028.20 : x
  2. Step 2: Convert to fraction form
    6,611,220,028.20/9,916,830,042.30 = 6,611,220,028.20/x
  3. Step 3: Cross multiply
    6,611,220,028.20x = 9,916,830,042.30 × 6,611,220,028.20
  4. Step 4: Simplify right side
    6,611,220,028.20x = 65,562,345,391,909,208,064
  5. Step 5: Solve for x
    x = 65,562,345,391,909,208,064/6,611,220,028.20
  6. Step 6: Final answer
    x = 9,916,830,042.30

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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.