Finding the Fourth Proportional to 452,807,278.97, 624,876,161.08 and 257,247,721.85
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Solution
The fourth proportional to 452,807,278.97, 624,876,161.08 and 257,247,721.85 is: 355,003,058.35
Step by Step Solution
- Step 1: Write the proportion equation
452,807,278.97 : 624,876,161.08 = 257,247,721.85 : x - Step 2: Convert to fraction form
452,807,278.97/624,876,161.08 = 257,247,721.85/x - Step 3: Cross multiply
452,807,278.97x = 624,876,161.08 × 257,247,721.85 - Step 4: Simplify right side
452,807,278.97x = 160,747,968,876,203,648 - Step 5: Solve for x
x = 160,747,968,876,203,648/452,807,278.97 - Step 6: Final answer
x = 355,003,058.35
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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.