Finding the Fourth Proportional to 1,193,448,368.26, 1,646,740,115.85 and 664,799,198.50
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Solution
The fourth proportional to 1,193,448,368.26, 1,646,740,115.85 and 664,799,198.50 is: 917,301,106.83
Step by Step Solution
- Step 1: Write the proportion equation
1,193,448,368.26 : 1,646,740,115.85 = 664,799,198.50 : x - Step 2: Convert to fraction form
1,193,448,368.26/1,646,740,115.85 = 664,799,198.50/x - Step 3: Cross multiply
1,193,448,368.26x = 1,646,740,115.85 × 664,799,198.50 - Step 4: Simplify right side
1,193,448,368.26x = 1,094,751,509,154,877,056 - Step 5: Solve for x
x = 1,094,751,509,154,877,056/1,193,448,368.26 - Step 6: Final answer
x = 917,301,106.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.