Finding the Fourth Proportional to 620,241,714.14, 855,939,305.86 and 341,793,202.46
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Solution
The fourth proportional to 620,241,714.14, 855,939,305.86 and 341,793,202.46 is: 471,677,782.69
Step by Step Solution
- Step 1: Write the proportion equation
620,241,714.14 : 855,939,305.86 = 341,793,202.46 : x - Step 2: Convert to fraction form
620,241,714.14/855,939,305.86 = 341,793,202.46/x - Step 3: Cross multiply
620,241,714.14x = 855,939,305.86 × 341,793,202.46 - Step 4: Simplify right side
620,241,714.14x = 292,554,236,456,144,640 - Step 5: Solve for x
x = 292,554,236,456,144,640/620,241,714.14 - Step 6: Final answer
x = 471,677,782.69
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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.