Finding the Fourth Proportional to 882,542,840.11, 1,217,995,145.53 and 659,136,663.79
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Solution
The fourth proportional to 882,542,840.11, 1,217,995,145.53 and 659,136,663.79 is: 909,672,845.61
Step by Step Solution
- Step 1: Write the proportion equation
882,542,840.11 : 1,217,995,145.53 = 659,136,663.79 : x - Step 2: Convert to fraction form
882,542,840.11/1,217,995,145.53 = 659,136,663.79/x - Step 3: Cross multiply
882,542,840.11x = 1,217,995,145.53 × 659,136,663.79 - Step 4: Simplify right side
882,542,840.11x = 802,825,256,735,917,696 - Step 5: Solve for x
x = 802,825,256,735,917,696/882,542,840.11 - Step 6: Final answer
x = 909,672,845.61
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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.