Finding the Fourth Proportional to 624,324,956.95, 861,621,348.50 and 345,953,799.19
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Solution
The fourth proportional to 624,324,956.95, 861,621,348.50 and 345,953,799.19 is: 477,445,560.45
Step by Step Solution
- Step 1: Write the proportion equation
624,324,956.95 : 861,621,348.50 = 345,953,799.19 : x - Step 2: Convert to fraction form
624,324,956.95/861,621,348.50 = 345,953,799.19/x - Step 3: Cross multiply
624,324,956.95x = 861,621,348.50 × 345,953,799.19 - Step 4: Simplify right side
624,324,956.95x = 298,081,178,976,785,984 - Step 5: Solve for x
x = 298,081,178,976,785,984/624,324,956.95 - Step 6: Final answer
x = 477,445,560.45
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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.