Finding the Fourth Proportional to 424,257,277.16, 585,526,010.99 and 256,988,630.49
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Solution
The fourth proportional to 424,257,277.16, 585,526,010.99 and 256,988,630.49 is: 354,675,183.62
Step by Step Solution
- Step 1: Write the proportion equation
424,257,277.16 : 585,526,010.99 = 256,988,630.49 : x - Step 2: Convert to fraction form
424,257,277.16/585,526,010.99 = 256,988,630.49/x - Step 3: Cross multiply
424,257,277.16x = 585,526,010.99 × 256,988,630.49 - Step 4: Simplify right side
424,257,277.16x = 150,473,527,680,408,640 - Step 5: Solve for x
x = 150,473,527,680,408,640/424,257,277.16 - Step 6: Final answer
x = 354,675,183.62
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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.