Finding the Fourth Proportional to 465,394,114.32, 642,248,307 and 256,557,747.12
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Solution
The fourth proportional to 465,394,114.32, 642,248,307 and 256,557,747.12 is: 354,052,132.73
Step by Step Solution
- Step 1: Write the proportion equation
465,394,114.32 : 642,248,307 = 256,557,747.12 : x - Step 2: Convert to fraction form
465,394,114.32/642,248,307 = 256,557,747.12/x - Step 3: Cross multiply
465,394,114.32x = 642,248,307 × 256,557,747.12 - Step 4: Simplify right side
465,394,114.32x = 164,773,778,735,554,144 - Step 5: Solve for x
x = 164,773,778,735,554,144/465,394,114.32 - Step 6: Final answer
x = 354,052,132.73
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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.