Finding the Fourth Proportional to 1,181,951,999.80, 1,772,927,999.70 and 536,979,455.80
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Solution
The fourth proportional to 1,181,951,999.80, 1,772,927,999.70 and 536,979,455.80 is: 805,469,183.70
Step by Step Solution
- Step 1: Write the proportion equation
1,181,951,999.80 : 1,772,927,999.70 = 536,979,455.80 : x - Step 2: Convert to fraction form
1,181,951,999.80/1,772,927,999.70 = 536,979,455.80/x - Step 3: Cross multiply
1,181,951,999.80x = 1,772,927,999.70 × 536,979,455.80 - Step 4: Simplify right side
1,181,951,999.80x = 952,025,912,451,488,512 - Step 5: Solve for x
x = 952,025,912,451,488,512/1,181,951,999.80 - Step 6: Final answer
x = 805,469,183.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.