Finding the Fourth Proportional to 6,408,373,446.80, 9,612,560,170.20 and 4,316,302,806.20
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Solution
The fourth proportional to 6,408,373,446.80, 9,612,560,170.20 and 4,316,302,806.20 is: 6,474,454,209.30
Step by Step Solution
- Step 1: Write the proportion equation
6,408,373,446.80 : 9,612,560,170.20 = 4,316,302,806.20 : x - Step 2: Convert to fraction form
6,408,373,446.80/9,612,560,170.20 = 4,316,302,806.20/x - Step 3: Cross multiply
6,408,373,446.80x = 9,612,560,170.20 × 4,316,302,806.20 - Step 4: Simplify right side
6,408,373,446.80x = 41,490,720,437,400,608,768 - Step 5: Solve for x
x = 41,490,720,437,400,608,768/6,408,373,446.80 - Step 6: Final answer
x = 6,474,454,209.30
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Double scale
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Similar ratio
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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.