Finding the Fourth Proportional to 293,239,701,715.74, 439,622,185,561.79 and 91,677,684,859.46
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Solution
The fourth proportional to 293,239,701,715.74, 439,622,185,561.79 and 91,677,684,859.46 is: 137,442,317,494.33
Step by Step Solution
- Step 1: Write the proportion equation
293,239,701,715.74 : 439,622,185,561.79 = 91,677,684,859.46 : x - Step 2: Convert to fraction form
293,239,701,715.74/439,622,185,561.79 = 91,677,684,859.46/x - Step 3: Cross multiply
293,239,701,715.74x = 439,622,185,561.79 × 91,677,684,859.46 - Step 4: Simplify right side
293,239,701,715.74x = 40,303,544,185,158,629,326,848 - Step 5: Solve for x
x = 40,303,544,185,158,629,326,848/293,239,701,715.74 - Step 6: Final answer
x = 137,442,317,494.33
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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.