Finding the Fourth Proportional to 66,803,566,583.94, 92,189,286,338.14 and 39,338,351,382.66
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Solution
The fourth proportional to 66,803,566,583.94, 92,189,286,338.14 and 39,338,351,382.66 is: 54,287,139,521.65
Step by Step Solution
- Step 1: Write the proportion equation
66,803,566,583.94 : 92,189,286,338.14 = 39,338,351,382.66 : x - Step 2: Convert to fraction form
66,803,566,583.94/92,189,286,338.14 = 39,338,351,382.66/x - Step 3: Cross multiply
66,803,566,583.94x = 92,189,286,338.14 × 39,338,351,382.66 - Step 4: Simplify right side
66,803,566,583.94x = 3,626,574,539,686,408,617,984 - Step 5: Solve for x
x = 3,626,574,539,686,408,617,984/66,803,566,583.94 - Step 6: Final answer
x = 54,287,139,521.65
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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.