Finding the Fourth Proportional to 5,079,198,437.04, 7,619,778,805.79 and 1,931,168,282.09
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Solution
The fourth proportional to 5,079,198,437.04, 7,619,778,805.79 and 1,931,168,282.09 is: 2,897,125,467.46
Step by Step Solution
- Step 1: Write the proportion equation
5,079,198,437.04 : 7,619,778,805.79 = 1,931,168,282.09 : x - Step 2: Convert to fraction form
5,079,198,437.04/7,619,778,805.79 = 1,931,168,282.09/x - Step 3: Cross multiply
5,079,198,437.04x = 7,619,778,805.79 × 1,931,168,282.09 - Step 4: Simplify right side
5,079,198,437.04x = 14,715,075,146,246,639,616 - Step 5: Solve for x
x = 14,715,075,146,246,639,616/5,079,198,437.04 - Step 6: Final answer
x = 2,897,125,467.46
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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.