Finding the Fourth Proportional to 664,302,657.93, 916,765,518.62 and 382,045,319.12
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Solution
The fourth proportional to 664,302,657.93, 916,765,518.62 and 382,045,319.12 is: 527,238,557.51
Step by Step Solution
- Step 1: Write the proportion equation
664,302,657.93 : 916,765,518.62 = 382,045,319.12 : x - Step 2: Convert to fraction form
664,302,657.93/916,765,518.62 = 382,045,319.12/x - Step 3: Cross multiply
664,302,657.93x = 916,765,518.62 × 382,045,319.12 - Step 4: Simplify right side
664,302,657.93x = 350,245,975,119,390,208 - Step 5: Solve for x
x = 350,245,975,119,390,208/664,302,657.93 - Step 6: Final answer
x = 527,238,557.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.