Finding the Fourth Proportional to 1,244,344,131,619.70, 1,717,471,151,647.20 and 756,499,408,671.96
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Solution
The fourth proportional to 1,244,344,131,619.70, 1,717,471,151,647.20 and 756,499,408,671.96 is: 1,044,137,130,249.55
Step by Step Solution
- Step 1: Write the proportion equation
1,244,344,131,619.70 : 1,717,471,151,647.20 = 756,499,408,671.96 : x - Step 2: Convert to fraction form
1,244,344,131,619.70/1,717,471,151,647.20 = 756,499,408,671.96/x - Step 3: Cross multiply
1,244,344,131,619.70x = 1,717,471,151,647.20 × 756,499,408,671.96 - Step 4: Simplify right side
1,244,344,131,619.70x = 1,299,265,910,632,256,934,772,736 - Step 5: Solve for x
x = 1,299,265,910,632,256,934,772,736/1,244,344,131,619.70 - Step 6: Final answer
x = 1,044,137,130,249.55
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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.