Finding the Fourth Proportional to 1,234,559,571.64, 1,851,424,230.84 and 447,448,458.09
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Solution
The fourth proportional to 1,234,559,571.64, 1,851,424,230.84 and 447,448,458.09 is: 671,022,230.43
Step by Step Solution
- Step 1: Write the proportion equation
1,234,559,571.64 : 1,851,424,230.84 = 447,448,458.09 : x - Step 2: Convert to fraction form
1,234,559,571.64/1,851,424,230.84 = 447,448,458.09/x - Step 3: Cross multiply
1,234,559,571.64x = 1,851,424,230.84 × 447,448,458.09 - Step 4: Simplify right side
1,234,559,571.64x = 828,416,917,358,444,544 - Step 5: Solve for x
x = 828,416,917,358,444,544/1,234,559,571.64 - Step 6: Final answer
x = 671,022,230.43
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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.