Finding the Fourth Proportional to 620,241,768.36, 855,939,380.66 and 341,793,256.68
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Solution
The fourth proportional to 620,241,768.36, 855,939,380.66 and 341,793,256.68 is: 471,677,857.51
Step by Step Solution
- Step 1: Write the proportion equation
620,241,768.36 : 855,939,380.66 = 341,793,256.68 : x - Step 2: Convert to fraction form
620,241,768.36/855,939,380.66 = 341,793,256.68/x - Step 3: Cross multiply
620,241,768.36x = 855,939,380.66 × 341,793,256.68 - Step 4: Simplify right side
620,241,768.36x = 292,554,308,436,443,584 - Step 5: Solve for x
x = 292,554,308,436,443,584/620,241,768.36 - Step 6: Final answer
x = 471,677,857.51
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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.