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Finding the Fourth Proportional to 19,420,577,064.60, 29,130,865,596.90 and 19,420,577,064.60

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Solution

The fourth proportional to 19,420,577,064.60, 29,130,865,596.90 and 19,420,577,064.60 is: 29,130,865,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420,577,064.60 : 29,130,865,596.90 = 19,420,577,064.60 : x
  2. Step 2: Convert to fraction form
    19,420,577,064.60/29,130,865,596.90 = 19,420,577,064.60/x
  3. Step 3: Cross multiply
    19,420,577,064.60x = 29,130,865,596.90 × 19,420,577,064.60
  4. Step 4: Simplify right side
    19,420,577,064.60x = 565,738,220,283,101,315,072
  5. Step 5: Solve for x
    x = 565,738,220,283,101,315,072/19,420,577,064.60
  6. Step 6: Final answer
    x = 29,130,865,596.90

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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.