Finding the Fourth Proportional to 19,889,968,078.58, 27,448,805,597.49 and 10,858,207,773.62
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Solution
The fourth proportional to 19,889,968,078.58, 27,448,805,597.49 and 10,858,207,773.62 is: 14,984,681,379.97
Step by Step Solution
- Step 1: Write the proportion equation
19,889,968,078.58 : 27,448,805,597.49 = 10,858,207,773.62 : x - Step 2: Convert to fraction form
19,889,968,078.58/27,448,805,597.49 = 10,858,207,773.62/x - Step 3: Cross multiply
19,889,968,078.58x = 27,448,805,597.49 × 10,858,207,773.62 - Step 4: Simplify right side
19,889,968,078.58x = 298,044,834,315,250,106,368 - Step 5: Solve for x
x = 298,044,834,315,250,106,368/19,889,968,078.58 - Step 6: Final answer
x = 14,984,681,379.97
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1.5x scale
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.