Finding the Fourth Proportional to 19,775,619,266.70, 27,292,694,158.98 and 11,746,991,525.44
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Solution
The fourth proportional to 19,775,619,266.70, 27,292,694,158.98 and 11,746,991,525.44 is: 16,212,238,042.62
Step by Step Solution
- Step 1: Write the proportion equation
19,775,619,266.70 : 27,292,694,158.98 = 11,746,991,525.44 : x - Step 2: Convert to fraction form
19,775,619,266.70/27,292,694,158.98 = 11,746,991,525.44/x - Step 3: Cross multiply
19,775,619,266.70x = 27,292,694,158.98 × 11,746,991,525.44 - Step 4: Simplify right side
19,775,619,266.70x = 320,607,046,991,963,881,472 - Step 5: Solve for x
x = 320,607,046,991,963,881,472/19,775,619,266.70 - Step 6: Final answer
x = 16,212,238,042.62
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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.