Finding the Fourth Proportional to 292,159,777,715.07, 438,239,666,572.60 and 292,159,777,715.07
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Solution
The fourth proportional to 292,159,777,715.07, 438,239,666,572.60 and 292,159,777,715.07 is: 438,239,666,572.60
Step by Step Solution
- Step 1: Write the proportion equation
292,159,777,715.07 : 438,239,666,572.60 = 292,159,777,715.07 : x - Step 2: Convert to fraction form
292,159,777,715.07/438,239,666,572.60 = 292,159,777,715.07/x - Step 3: Cross multiply
292,159,777,715.07x = 438,239,666,572.60 × 292,159,777,715.07 - Step 4: Simplify right side
292,159,777,715.07x = 128,036,003,571,777,211,990,016 - Step 5: Solve for x
x = 128,036,003,571,777,211,990,016/292,159,777,715.07 - Step 6: Final answer
x = 438,239,666,572.60
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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.