Finding the Fourth Proportional to 10,418,125,665.68, 14,377,144,177.13 and 5,660,480,993.91
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Solution
The fourth proportional to 10,418,125,665.68, 14,377,144,177.13 and 5,660,480,993.91 is: 7,811,534,816.61
Step by Step Solution
- Step 1: Write the proportion equation
10,418,125,665.68 : 14,377,144,177.13 = 5,660,480,993.91 : x - Step 2: Convert to fraction form
10,418,125,665.68/14,377,144,177.13 = 5,660,480,993.91/x - Step 3: Cross multiply
10,418,125,665.68x = 14,377,144,177.13 × 5,660,480,993.91 - Step 4: Simplify right side
10,418,125,665.68x = 81,381,551,361,263,828,992 - Step 5: Solve for x
x = 81,381,551,361,263,828,992/10,418,125,665.68 - Step 6: Final answer
x = 7,811,534,816.61
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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.