Finding the Fourth Proportional to 408,855,278,877.80, 613,282,918,316.70 and 408,855,278,877.80
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Solution
The fourth proportional to 408,855,278,877.80, 613,282,918,316.70 and 408,855,278,877.80 is: 613,282,918,316.70
Step by Step Solution
- Step 1: Write the proportion equation
408,855,278,877.80 : 613,282,918,316.70 = 408,855,278,877.80 : x - Step 2: Convert to fraction form
408,855,278,877.80/613,282,918,316.70 = 408,855,278,877.80/x - Step 3: Cross multiply
408,855,278,877.80x = 613,282,918,316.70 × 408,855,278,877.80 - Step 4: Simplify right side
408,855,278,877.80x = 250,743,958,599,365,398,888,448 - Step 5: Solve for x
x = 250,743,958,599,365,398,888,448/408,855,278,877.80 - Step 6: Final answer
x = 613,282,918,316.70
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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.