Finding the Fourth Proportional to 656,148,058.36, 984,058,270.30 and 257,387,677.15
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Solution
The fourth proportional to 656,148,058.36, 984,058,270.30 and 257,387,677.15 is: 386,017,255.02
Step by Step Solution
- Step 1: Write the proportion equation
656,148,058.36 : 984,058,270.30 = 257,387,677.15 : x - Step 2: Convert to fraction form
656,148,058.36/984,058,270.30 = 257,387,677.15/x - Step 3: Cross multiply
656,148,058.36x = 984,058,270.30 × 257,387,677.15 - Step 4: Simplify right side
656,148,058.36x = 253,284,472,376,763,488 - Step 5: Solve for x
x = 253,284,472,376,763,488/656,148,058.36 - Step 6: Final answer
x = 386,017,255.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.