Finding the Fourth Proportional to 949,894,799.68, 1,310,903,205.96 and 547,859,038.69
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Solution
The fourth proportional to 949,894,799.68, 1,310,903,205.96 and 547,859,038.69 is: 756,073,378.31
Step by Step Solution
- Step 1: Write the proportion equation
949,894,799.68 : 1,310,903,205.96 = 547,859,038.69 : x - Step 2: Convert to fraction form
949,894,799.68/1,310,903,205.96 = 547,859,038.69/x - Step 3: Cross multiply
949,894,799.68x = 1,310,903,205.96 × 547,859,038.69 - Step 4: Simplify right side
949,894,799.68x = 718,190,170,232,884,736 - Step 5: Solve for x
x = 718,190,170,232,884,736/949,894,799.68 - Step 6: Final answer
x = 756,073,378.31
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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.