Finding the Fourth Proportional to 913,975,170.98, 1,370,005,903.35 and 382,491,105.80
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Solution
The fourth proportional to 913,975,170.98, 1,370,005,903.35 and 382,491,105.80 is: 573,336,223.52
Step by Step Solution
- Step 1: Write the proportion equation
913,975,170.98 : 1,370,005,903.35 = 382,491,105.80 : x - Step 2: Convert to fraction form
913,975,170.98/1,370,005,903.35 = 382,491,105.80/x - Step 3: Cross multiply
913,975,170.98x = 1,370,005,903.35 × 382,491,105.80 - Step 4: Simplify right side
913,975,170.98x = 524,015,072,918,019,392 - Step 5: Solve for x
x = 524,015,072,918,019,392/913,975,170.98 - Step 6: Final answer
x = 573,336,223.52
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1.5x scale
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.