Finding the Fourth Proportional to 843,318,984.96, 1,163,716,657.92 and 513,257,644.80
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Solution
The fourth proportional to 843,318,984.96, 1,163,716,657.92 and 513,257,644.80 is: 708,256,877.54
Step by Step Solution
- Step 1: Write the proportion equation
843,318,984.96 : 1,163,716,657.92 = 513,257,644.80 : x - Step 2: Convert to fraction form
843,318,984.96/1,163,716,657.92 = 513,257,644.80/x - Step 3: Cross multiply
843,318,984.96x = 1,163,716,657.92 × 513,257,644.80 - Step 4: Simplify right side
843,318,984.96x = 597,286,471,058,546,560 - Step 5: Solve for x
x = 597,286,471,058,546,560/843,318,984.96 - Step 6: Final answer
x = 708,256,877.54
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1.5x scale
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.