Finding the Fourth Proportional to 450,590,683.41, 674,675,089.97 and 285,936,975.59
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Solution
The fourth proportional to 450,590,683.41, 674,675,089.97 and 285,936,975.59 is: 428,137,025.09
Step by Step Solution
- Step 1: Write the proportion equation
450,590,683.41 : 674,675,089.97 = 285,936,975.59 : x - Step 2: Convert to fraction form
450,590,683.41/674,675,089.97 = 285,936,975.59/x - Step 3: Cross multiply
450,590,683.41x = 674,675,089.97 × 285,936,975.59 - Step 4: Simplify right side
450,590,683.41x = 192,914,554,727,129,888 - Step 5: Solve for x
x = 192,914,554,727,129,888/450,590,683.41 - Step 6: Final answer
x = 428,137,025.09
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1.5x scale
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.