Finding the Fourth Proportional to 19,969,179,676.75, 27,558,334,202.73 and 11,058,508,429.75
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Solution
The fourth proportional to 19,969,179,676.75, 27,558,334,202.73 and 11,058,508,429.75 is: 15,261,221,343.28
Step by Step Solution
- Step 1: Write the proportion equation
19,969,179,676.75 : 27,558,334,202.73 = 11,058,508,429.75 : x - Step 2: Convert to fraction form
19,969,179,676.75/27,558,334,202.73 = 11,058,508,429.75/x - Step 3: Cross multiply
19,969,179,676.75x = 27,558,334,202.73 × 11,058,508,429.75 - Step 4: Simplify right side
19,969,179,676.75x = 304,754,071,090,625,118,208 - Step 5: Solve for x
x = 304,754,071,090,625,118,208/19,969,179,676.75 - Step 6: Final answer
x = 15,261,221,343.28
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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.