Home / 919,922,695.80-1,379,884,043.70-552,590,676.60

Finding the Fourth Proportional to 919,922,695.80, 1,379,884,043.70 and 552,590,676.60

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Solution

The fourth proportional to 919,922,695.80, 1,379,884,043.70 and 552,590,676.60 is: 828,886,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,922,695.80 : 1,379,884,043.70 = 552,590,676.60 : x
  2. Step 2: Convert to fraction form
    919,922,695.80/1,379,884,043.70 = 552,590,676.60/x
  3. Step 3: Cross multiply
    919,922,695.80x = 1,379,884,043.70 × 552,590,676.60
  4. Step 4: Simplify right side
    919,922,695.80x = 762,511,057,337,726,976
  5. Step 5: Solve for x
    x = 762,511,057,337,726,976/919,922,695.80
  6. Step 6: Final answer
    x = 828,886,014.90

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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.