Finding the Fourth Proportional to 756,868,331.20, 1,135,302,496.80 and 756,868,331.20
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Solution
The fourth proportional to 756,868,331.20, 1,135,302,496.80 and 756,868,331.20 is: 1,135,302,496.80
Step by Step Solution
- Step 1: Write the proportion equation
756,868,331.20 : 1,135,302,496.80 = 756,868,331.20 : x - Step 2: Convert to fraction form
756,868,331.20/1,135,302,496.80 = 756,868,331.20/x - Step 3: Cross multiply
756,868,331.20x = 1,135,302,496.80 × 756,868,331.20 - Step 4: Simplify right side
756,868,331.20x = 859,274,506,160,209,408 - Step 5: Solve for x
x = 859,274,506,160,209,408/756,868,331.20 - Step 6: Final answer
x = 1,135,302,496.80
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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.