Finding the Fourth Proportional to 620,241,597.36, 855,939,143.88 and 341,793,085.08
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Solution
The fourth proportional to 620,241,597.36, 855,939,143.88 and 341,793,085.08 is: 471,677,620.26
Step by Step Solution
- Step 1: Write the proportion equation
620,241,597.36 : 855,939,143.88 = 341,793,085.08 : x - Step 2: Convert to fraction form
620,241,597.36/855,939,143.88 = 341,793,085.08/x - Step 3: Cross multiply
620,241,597.36x = 855,939,143.88 × 341,793,085.08 - Step 4: Simplify right side
620,241,597.36x = 292,554,080,627,479,168 - Step 5: Solve for x
x = 292,554,080,627,479,168/620,241,597.36 - Step 6: Final answer
x = 471,677,620.26
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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.