Home / 11,413,157,840.37-15,694,306,272.77-9,905,166,153.05

Finding the Fourth Proportional to 11,413,157,840.37, 15,694,306,272.77 and 9,905,166,153.05

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Solution

The fourth proportional to 11,413,157,840.37, 15,694,306,272.77 and 9,905,166,153.05 is: 13,620,657,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,413,157,840.37 : 15,694,306,272.77 = 9,905,166,153.05 : x
  2. Step 2: Convert to fraction form
    11,413,157,840.37/15,694,306,272.77 = 9,905,166,153.05/x
  3. Step 3: Cross multiply
    11,413,157,840.37x = 15,694,306,272.77 × 9,905,166,153.05
  4. Step 4: Simplify right side
    11,413,157,840.37x = 155,454,711,288,513,691,648
  5. Step 5: Solve for x
    x = 155,454,711,288,513,691,648/11,413,157,840.37
  6. Step 6: Final answer
    x = 13,620,657,267.93

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