Finding the Fourth Proportional to 611,469,644.25, 917,135,779.69 and 168,875,244.36
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Solution
The fourth proportional to 611,469,644.25, 917,135,779.69 and 168,875,244.36 is: 253,293,896.69
Step by Step Solution
- Step 1: Write the proportion equation
611,469,644.25 : 917,135,779.69 = 168,875,244.36 : x - Step 2: Convert to fraction form
611,469,644.25/917,135,779.69 = 168,875,244.36/x - Step 3: Cross multiply
611,469,644.25x = 917,135,779.69 × 168,875,244.36 - Step 4: Simplify right side
611,469,644.25x = 154,881,528,901,017,792 - Step 5: Solve for x
x = 154,881,528,901,017,792/611,469,644.25 - Step 6: Final answer
x = 253,293,896.69
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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.