Finding the Fourth Proportional to 263,811,813.27, 395,721,087.65 and 69,721,551.55
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Solution
The fourth proportional to 263,811,813.27, 395,721,087.65 and 69,721,551.55 is: 104,583,217.37
Step by Step Solution
- Step 1: Write the proportion equation
263,811,813.27 : 395,721,087.65 = 69,721,551.55 : x - Step 2: Convert to fraction form
263,811,813.27/395,721,087.65 = 69,721,551.55/x - Step 3: Cross multiply
263,811,813.27x = 395,721,087.65 × 69,721,551.55 - Step 4: Simplify right side
263,811,813.27x = 27,590,288,212,011,540 - Step 5: Solve for x
x = 27,590,288,212,011,540/263,811,813.27 - Step 6: Final answer
x = 104,583,217.37
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1.5x scale
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.