Finding the Fourth Proportional to 4,782,981,330.90, 7,174,471,996.35 and 4,021,107,513.30
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Solution
The fourth proportional to 4,782,981,330.90, 7,174,471,996.35 and 4,021,107,513.30 is: 6,031,661,269.95
Step by Step Solution
- Step 1: Write the proportion equation
4,782,981,330.90 : 7,174,471,996.35 = 4,021,107,513.30 : x - Step 2: Convert to fraction form
4,782,981,330.90/7,174,471,996.35 = 4,021,107,513.30/x - Step 3: Cross multiply
4,782,981,330.90x = 7,174,471,996.35 × 4,021,107,513.30 - Step 4: Simplify right side
4,782,981,330.90x = 28,849,323,248,483,438,592 - Step 5: Solve for x
x = 28,849,323,248,483,438,592/4,782,981,330.90 - Step 6: Final answer
x = 6,031,661,269.95
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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.