Finding the Fourth Proportional to 19,925,866,796.49, 27,497,820,535.61 and 10,893,644,363.97
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Solution
The fourth proportional to 19,925,866,796.49, 27,497,820,535.61 and 10,893,644,363.97 is: 15,033,297,209.03
Step by Step Solution
- Step 1: Write the proportion equation
19,925,866,796.49 : 27,497,820,535.61 = 10,893,644,363.97 : x - Step 2: Convert to fraction form
19,925,866,796.49/27,497,820,535.61 = 10,893,644,363.97/x - Step 3: Cross multiply
19,925,866,796.49x = 27,497,820,535.61 × 10,893,644,363.97 - Step 4: Simplify right side
19,925,866,796.49x = 299,551,477,699,151,921,152 - Step 5: Solve for x
x = 299,551,477,699,151,921,152/19,925,866,796.49 - Step 6: Final answer
x = 15,033,297,209.03
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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.