Finding the Fourth Proportional to 2,977,237,245.70, 4,465,855,868.55 and 2,931,320,743.30
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Solution
The fourth proportional to 2,977,237,245.70, 4,465,855,868.55 and 2,931,320,743.30 is: 4,396,981,114.95
Step by Step Solution
- Step 1: Write the proportion equation
2,977,237,245.70 : 4,465,855,868.55 = 2,931,320,743.30 : x - Step 2: Convert to fraction form
2,977,237,245.70/4,465,855,868.55 = 2,931,320,743.30/x - Step 3: Cross multiply
2,977,237,245.70x = 4,465,855,868.55 × 2,931,320,743.30 - Step 4: Simplify right side
2,977,237,245.70x = 13,090,855,944,068,655,104 - Step 5: Solve for x
x = 13,090,855,944,068,655,104/2,977,237,245.70 - Step 6: Final answer
x = 4,396,981,114.95
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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.