Finding the Fourth Proportional to 3,712,644,768,335.40, 5,568,965,841,764.70 and 992,887,505,661.92
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Solution
The fourth proportional to 3,712,644,768,335.40, 5,568,965,841,764.70 and 992,887,505,661.92 is: 1,489,330,907,956.84
Step by Step Solution
- Step 1: Write the proportion equation
3,712,644,768,335.40 : 5,568,965,841,764.70 = 992,887,505,661.92 : x - Step 2: Convert to fraction form
3,712,644,768,335.40/5,568,965,841,764.70 = 992,887,505,661.92/x - Step 3: Cross multiply
3,712,644,768,335.40x = 5,568,965,841,764.70 × 992,887,505,661.92 - Step 4: Simplify right side
3,712,644,768,335.40x = 5,529,356,603,746,187,950,948,352 - Step 5: Solve for x
x = 5,529,356,603,746,187,950,948,352/3,712,644,768,335.40 - Step 6: Final answer
x = 1,489,330,907,956.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.