Finding the Fourth Proportional to 3,779,144,426.70, 5,668,716,640.05 and 1,325,162,465.10
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Solution
The fourth proportional to 3,779,144,426.70, 5,668,716,640.05 and 1,325,162,465.10 is: 1,987,743,697.65
Step by Step Solution
- Step 1: Write the proportion equation
3,779,144,426.70 : 5,668,716,640.05 = 1,325,162,465.10 : x - Step 2: Convert to fraction form
3,779,144,426.70/5,668,716,640.05 = 1,325,162,465.10/x - Step 3: Cross multiply
3,779,144,426.70x = 5,668,716,640.05 × 1,325,162,465.10 - Step 4: Simplify right side
3,779,144,426.70x = 7,511,970,516,682,047,488 - Step 5: Solve for x
x = 7,511,970,516,682,047,488/3,779,144,426.70 - Step 6: Final answer
x = 1,987,743,697.65
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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.