Finding the Fourth Proportional to 663,848,534.22, 916,230,893.11 and 395,941,539.96
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Solution
The fourth proportional to 663,848,534.22, 916,230,893.11 and 395,941,539.96 is: 546,470,847.00
Step by Step Solution
- Step 1: Write the proportion equation
663,848,534.22 : 916,230,893.11 = 395,941,539.96 : x - Step 2: Convert to fraction form
663,848,534.22/916,230,893.11 = 395,941,539.96/x - Step 3: Cross multiply
663,848,534.22x = 916,230,893.11 × 395,941,539.96 - Step 4: Simplify right side
663,848,534.22x = 362,773,870,775,909,632 - Step 5: Solve for x
x = 362,773,870,775,909,632/663,848,534.22 - Step 6: Final answer
x = 546,470,847.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.