Finding the Fourth Proportional to 756,854,152.80, 1,135,281,229.20 and 204,155,512.80
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Solution
The fourth proportional to 756,854,152.80, 1,135,281,229.20 and 204,155,512.80 is: 306,233,269.20
Step by Step Solution
- Step 1: Write the proportion equation
756,854,152.80 : 1,135,281,229.20 = 204,155,512.80 : x - Step 2: Convert to fraction form
756,854,152.80/1,135,281,229.20 = 204,155,512.80/x - Step 3: Cross multiply
756,854,152.80x = 1,135,281,229.20 × 204,155,512.80 - Step 4: Simplify right side
756,854,152.80x = 231,773,921,519,540,352 - Step 5: Solve for x
x = 231,773,921,519,540,352/756,854,152.80 - Step 6: Final answer
x = 306,233,269.20
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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.