Finding the Fourth Proportional to 4,771,206,074.79, 7,154,414,220.83 and 2,779,892,691.75
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Solution
The fourth proportional to 4,771,206,074.79, 7,154,414,220.83 and 2,779,892,691.75 is: 4,168,443,679.54
Step by Step Solution
- Step 1: Write the proportion equation
4,771,206,074.79 : 7,154,414,220.83 = 2,779,892,691.75 : x - Step 2: Convert to fraction form
4,771,206,074.79/7,154,414,220.83 = 2,779,892,691.75/x - Step 3: Cross multiply
4,771,206,074.79x = 7,154,414,220.83 × 2,779,892,691.75 - Step 4: Simplify right side
4,771,206,074.79x = 19,888,503,806,223,687,680 - Step 5: Solve for x
x = 19,888,503,806,223,687,680/4,771,206,074.79 - Step 6: Final answer
x = 4,168,443,679.54
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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.