Finding the Fourth Proportional to 512,462,135.52, 707,198,428.98 and 277,513,201.08
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Solution
The fourth proportional to 512,462,135.52, 707,198,428.98 and 277,513,201.08 is: 382,968,586.79
Step by Step Solution
- Step 1: Write the proportion equation
512,462,135.52 : 707,198,428.98 = 277,513,201.08 : x - Step 2: Convert to fraction form
512,462,135.52/707,198,428.98 = 277,513,201.08/x - Step 3: Cross multiply
512,462,135.52x = 707,198,428.98 × 277,513,201.08 - Step 4: Simplify right side
512,462,135.52x = 196,256,899,824,986,848 - Step 5: Solve for x
x = 196,256,899,824,986,848/512,462,135.52 - Step 6: Final answer
x = 382,968,586.79
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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.