Finding the Fourth Proportional to 277,399,798.28, 382,666,587.09 and 171,519,367.63
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Solution
The fourth proportional to 277,399,798.28, 382,666,587.09 and 171,519,367.63 is: 236,606,989.03
Step by Step Solution
- Step 1: Write the proportion equation
277,399,798.28 : 382,666,587.09 = 171,519,367.63 : x - Step 2: Convert to fraction form
277,399,798.28/382,666,587.09 = 171,519,367.63/x - Step 3: Cross multiply
277,399,798.28x = 382,666,587.09 × 171,519,367.63 - Step 4: Simplify right side
277,399,798.28x = 65,634,731,030,493,656 - Step 5: Solve for x
x = 65,634,731,030,493,656/277,399,798.28 - Step 6: Final answer
x = 236,606,989.03
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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.