Finding the Fourth Proportional to 943,759,857.18, 1,302,946,635.80 and 839,048,207.16
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Solution
The fourth proportional to 943,759,857.18, 1,302,946,635.80 and 839,048,207.16 is: 1,158,382,644.14
Step by Step Solution
- Step 1: Write the proportion equation
943,759,857.18 : 1,302,946,635.80 = 839,048,207.16 : x - Step 2: Convert to fraction form
943,759,857.18/1,302,946,635.80 = 839,048,207.16/x - Step 3: Cross multiply
943,759,857.18x = 1,302,946,635.80 × 839,048,207.16 - Step 4: Simplify right side
943,759,857.18x = 1,093,235,038,793,143,424 - Step 5: Solve for x
x = 1,093,235,038,793,143,424/943,759,857.18 - Step 6: Final answer
x = 1,158,382,644.14
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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.