Finding the Fourth Proportional to 3,921,048,205.30, 5,881,572,307.95 and 1,467,066,243.70
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Solution
The fourth proportional to 3,921,048,205.30, 5,881,572,307.95 and 1,467,066,243.70 is: 2,200,599,365.55
Step by Step Solution
- Step 1: Write the proportion equation
3,921,048,205.30 : 5,881,572,307.95 = 1,467,066,243.70 : x - Step 2: Convert to fraction form
3,921,048,205.30/5,881,572,307.95 = 1,467,066,243.70/x - Step 3: Cross multiply
3,921,048,205.30x = 5,881,572,307.95 × 1,467,066,243.70 - Step 4: Simplify right side
3,921,048,205.30x = 8,628,656,192,874,145,792 - Step 5: Solve for x
x = 8,628,656,192,874,145,792/3,921,048,205.30 - Step 6: Final answer
x = 2,200,599,365.55
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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.