Finding the Fourth Proportional to 19,775,619,265.19, 27,292,694,156.91 and 11,746,991,523.94
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Solution
The fourth proportional to 19,775,619,265.19, 27,292,694,156.91 and 11,746,991,523.94 is: 16,212,238,040.56
Step by Step Solution
- Step 1: Write the proportion equation
19,775,619,265.19 : 27,292,694,156.91 = 11,746,991,523.94 : x - Step 2: Convert to fraction form
19,775,619,265.19/27,292,694,156.91 = 11,746,991,523.94/x - Step 3: Cross multiply
19,775,619,265.19x = 27,292,694,156.91 × 11,746,991,523.94 - Step 4: Simplify right side
19,775,619,265.19x = 320,607,046,926,708,572,160 - Step 5: Solve for x
x = 320,607,046,926,708,572,160/19,775,619,265.19 - Step 6: Final answer
x = 16,212,238,040.56
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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.