Finding the Fourth Proportional to 1,363,644,321.36, 1,881,829,720.83 and 737,112,747.26
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Solution
The fourth proportional to 1,363,644,321.36, 1,881,829,720.83 and 737,112,747.26 is: 1,017,215,892.49
Step by Step Solution
- Step 1: Write the proportion equation
1,363,644,321.36 : 1,881,829,720.83 = 737,112,747.26 : x - Step 2: Convert to fraction form
1,363,644,321.36/1,881,829,720.83 = 737,112,747.26/x - Step 3: Cross multiply
1,363,644,321.36x = 1,881,829,720.83 × 737,112,747.26 - Step 4: Simplify right side
1,363,644,321.36x = 1,387,120,675,387,110,912 - Step 5: Solve for x
x = 1,387,120,675,387,110,912/1,363,644,321.36 - Step 6: Final answer
x = 1,017,215,892.49
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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.