Finding the Fourth Proportional to 756,716,793.63, 1,044,268,713.32 and 409,036,281.63
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Solution
The fourth proportional to 756,716,793.63, 1,044,268,713.32 and 409,036,281.63 is: 564,469,818.98
Step by Step Solution
- Step 1: Write the proportion equation
756,716,793.63 : 1,044,268,713.32 = 409,036,281.63 : x - Step 2: Convert to fraction form
756,716,793.63/1,044,268,713.32 = 409,036,281.63/x - Step 3: Cross multiply
756,716,793.63x = 1,044,268,713.32 × 409,036,281.63 - Step 4: Simplify right side
756,716,793.63x = 427,143,791,516,912,064 - Step 5: Solve for x
x = 427,143,791,516,912,064/756,716,793.63 - Step 6: Final answer
x = 564,469,818.98
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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.