Finding the Fourth Proportional to 19,925,866,798, 27,497,820,537.68 and 10,893,644,365.48
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Solution
The fourth proportional to 19,925,866,798, 27,497,820,537.68 and 10,893,644,365.48 is: 15,033,297,211.11
Step by Step Solution
- Step 1: Write the proportion equation
19,925,866,798 : 27,497,820,537.68 = 10,893,644,365.48 : x - Step 2: Convert to fraction form
19,925,866,798/27,497,820,537.68 = 10,893,644,365.48/x - Step 3: Cross multiply
19,925,866,798x = 27,497,820,537.68 × 10,893,644,365.48 - Step 4: Simplify right side
19,925,866,798x = 299,551,477,763,277,914,112 - Step 5: Solve for x
x = 299,551,477,763,277,914,112/19,925,866,798 - Step 6: Final answer
x = 15,033,297,211.11
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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.