Finding the Fourth Proportional to 293,239,701,707.35, 439,622,185,549.20 and 91,677,684,851.07
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Solution
The fourth proportional to 293,239,701,707.35, 439,622,185,549.20 and 91,677,684,851.07 is: 137,442,317,481.76
Step by Step Solution
- Step 1: Write the proportion equation
293,239,701,707.35 : 439,622,185,549.20 = 91,677,684,851.07 : x - Step 2: Convert to fraction form
293,239,701,707.35/439,622,185,549.20 = 91,677,684,851.07/x - Step 3: Cross multiply
293,239,701,707.35x = 439,622,185,549.20 × 91,677,684,851.07 - Step 4: Simplify right side
293,239,701,707.35x = 40,303,544,180,318,184,407,040 - Step 5: Solve for x
x = 40,303,544,180,318,184,407,040/293,239,701,707.35 - Step 6: Final answer
x = 137,442,317,481.76
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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.