Finding the Fourth Proportional to 434,347,520,496.99, 599,399,676,124.67 and 239,030,802,379.98
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Solution
The fourth proportional to 434,347,520,496.99, 599,399,676,124.67 and 239,030,802,379.98 is: 329,862,561,127.19
Step by Step Solution
- Step 1: Write the proportion equation
434,347,520,496.99 : 599,399,676,124.67 = 239,030,802,379.98 : x - Step 2: Convert to fraction form
434,347,520,496.99/599,399,676,124.67 = 239,030,802,379.98/x - Step 3: Cross multiply
434,347,520,496.99x = 599,399,676,124.67 × 239,030,802,379.98 - Step 4: Simplify right side
434,347,520,496.99x = 143,274,985,530,380,022,448,128 - Step 5: Solve for x
x = 143,274,985,530,380,022,448,128/434,347,520,496.99 - Step 6: Final answer
x = 329,862,561,127.19
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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.