Finding the Fourth Proportional to 1,072,129,309.41, 1,608,195,224.38 and 335,203,076.49
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Solution
The fourth proportional to 1,072,129,309.41, 1,608,195,224.38 and 335,203,076.49 is: 502,805,008.75
Step by Step Solution
- Step 1: Write the proportion equation
1,072,129,309.41 : 1,608,195,224.38 = 335,203,076.49 : x - Step 2: Convert to fraction form
1,072,129,309.41/1,608,195,224.38 = 335,203,076.49/x - Step 3: Cross multiply
1,072,129,309.41x = 1,608,195,224.38 × 335,203,076.49 - Step 4: Simplify right side
1,072,129,309.41x = 539,071,986,802,503,488 - Step 5: Solve for x
x = 539,071,986,802,503,488/1,072,129,309.41 - Step 6: Final answer
x = 502,805,008.75
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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.