Finding the Fourth Proportional to 239,400,104,148.18, 330,371,928,103.11 and 135,135,516,638.22
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Solution
The fourth proportional to 239,400,104,148.18, 330,371,928,103.11 and 135,135,516,638.22 is: 186,486,891,247.74
Step by Step Solution
- Step 1: Write the proportion equation
239,400,104,148.18 : 330,371,928,103.11 = 135,135,516,638.22 : x - Step 2: Convert to fraction form
239,400,104,148.18/330,371,928,103.11 = 135,135,516,638.22/x - Step 3: Cross multiply
239,400,104,148.18x = 330,371,928,103.11 × 135,135,516,638.22 - Step 4: Simplify right side
239,400,104,148.18x = 44,644,981,186,978,637,676,544 - Step 5: Solve for x
x = 44,644,981,186,978,637,676,544/239,400,104,148.18 - Step 6: Final answer
x = 186,486,891,247.74
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1.5x scale
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.