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Finding the Fourth Proportional to 66,271,834,978.77, 99,407,753,625.85 and 15,907,268,764.98

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Solution

The fourth proportional to 66,271,834,978.77, 99,407,753,625.85 and 15,907,268,764.98 is: 23,860,903,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271,834,978.77 : 99,407,753,625.85 = 15,907,268,764.98 : x
  2. Step 2: Convert to fraction form
    66,271,834,978.77/99,407,753,625.85 = 15,907,268,764.98/x
  3. Step 3: Cross multiply
    66,271,834,978.77x = 99,407,753,625.85 × 15,907,268,764.98
  4. Step 4: Simplify right side
    66,271,834,978.77x = 1,581,305,854,249,311,141,888
  5. Step 5: Solve for x
    x = 1,581,305,854,249,311,141,888/66,271,834,978.77
  6. Step 6: Final answer
    x = 23,860,903,425.35

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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.