Finding the Fourth Proportional to 931,365,776.58, 1,397,241,478.32 and 378,668,299.08
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Solution
The fourth proportional to 931,365,776.58, 1,397,241,478.32 and 378,668,299.08 is: 568,080,841.39
Step by Step Solution
- Step 1: Write the proportion equation
931,365,776.58 : 1,397,241,478.32 = 378,668,299.08 : x - Step 2: Convert to fraction form
931,365,776.58/1,397,241,478.32 = 378,668,299.08/x - Step 3: Cross multiply
931,365,776.58x = 1,397,241,478.32 × 378,668,299.08 - Step 4: Simplify right side
931,365,776.58x = 529,091,053,999,459,072 - Step 5: Solve for x
x = 529,091,053,999,459,072/931,365,776.58 - Step 6: Final answer
x = 568,080,841.39
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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.