Finding the Fourth Proportional to 293,239,702,305.58, 439,622,186,447.56 and 91,677,685,449.92
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Solution
The fourth proportional to 293,239,702,305.58, 439,622,186,447.56 and 91,677,685,449.92 is: 137,442,318,380.02
Step by Step Solution
- Step 1: Write the proportion equation
293,239,702,305.58 : 439,622,186,447.56 = 91,677,685,449.92 : x - Step 2: Convert to fraction form
293,239,702,305.58/439,622,186,447.56 = 91,677,685,449.92/x - Step 3: Cross multiply
293,239,702,305.58x = 439,622,186,447.56 × 91,677,685,449.92 - Step 4: Simplify right side
293,239,702,305.58x = 40,303,544,525,945,485,393,920 - Step 5: Solve for x
x = 40,303,544,525,945,485,393,920/293,239,702,305.58 - Step 6: Final answer
x = 137,442,318,380.02
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1.5x scale
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.