Finding the Fourth Proportional to 420,270,446.70, 628,705,058.85 and 369,252,110.70
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Solution
The fourth proportional to 420,270,446.70, 628,705,058.85 and 369,252,110.70 is: 552,383,998.95
Step by Step Solution
- Step 1: Write the proportion equation
420,270,446.70 : 628,705,058.85 = 369,252,110.70 : x - Step 2: Convert to fraction form
420,270,446.70/628,705,058.85 = 369,252,110.70/x - Step 3: Cross multiply
420,270,446.70x = 628,705,058.85 × 369,252,110.70 - Step 4: Simplify right side
420,270,446.70x = 232,150,669,988,130,208 - Step 5: Solve for x
x = 232,150,669,988,130,208/420,270,446.70 - Step 6: Final answer
x = 552,383,998.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.