Finding the Fourth Proportional to 425,472,893.57, 587,161,577.36 and 239,833,860.05
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Solution
The fourth proportional to 425,472,893.57, 587,161,577.36 and 239,833,860.05 is: 330,975,791.17
Step by Step Solution
- Step 1: Write the proportion equation
425,472,893.57 : 587,161,577.36 = 239,833,860.05 : x - Step 2: Convert to fraction form
425,472,893.57/587,161,577.36 = 239,833,860.05/x - Step 3: Cross multiply
425,472,893.57x = 587,161,577.36 × 239,833,860.05 - Step 4: Simplify right side
425,472,893.57x = 140,821,227,573,362,976 - Step 5: Solve for x
x = 140,821,227,573,362,976/425,472,893.57 - Step 6: Final answer
x = 330,975,791.17
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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.