Finding the Fourth Proportional to 274,736,517.80, 412,104,776.70 and 266,773,893.80
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Solution
The fourth proportional to 274,736,517.80, 412,104,776.70 and 266,773,893.80 is: 400,160,840.70
Step by Step Solution
- Step 1: Write the proportion equation
274,736,517.80 : 412,104,776.70 = 266,773,893.80 : x - Step 2: Convert to fraction form
274,736,517.80/412,104,776.70 = 266,773,893.80/x - Step 3: Cross multiply
274,736,517.80x = 412,104,776.70 × 266,773,893.80 - Step 4: Simplify right side
274,736,517.80x = 109,938,795,933,838,512 - Step 5: Solve for x
x = 109,938,795,933,838,512/274,736,517.80 - Step 6: Final answer
x = 400,160,840.70
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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.