Finding the Fourth Proportional to 818,586,921,502.96, 1,129,574,142,433.60 and 452,773,251,493.92
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Solution
The fourth proportional to 818,586,921,502.96, 1,129,574,142,433.60 and 452,773,251,493.92 is: 624,785,155,782.96
Step by Step Solution
- Step 1: Write the proportion equation
818,586,921,502.96 : 1,129,574,142,433.60 = 452,773,251,493.92 : x - Step 2: Convert to fraction form
818,586,921,502.96/1,129,574,142,433.60 = 452,773,251,493.92/x - Step 3: Cross multiply
818,586,921,502.96x = 1,129,574,142,433.60 × 452,773,251,493.92 - Step 4: Simplify right side
818,586,921,502.96x = 511,440,957,273,117,384,769,536 - Step 5: Solve for x
x = 511,440,957,273,117,384,769,536/818,586,921,502.96 - Step 6: Final answer
x = 624,785,155,782.96
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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.