Finding the Fourth Proportional to 932,139,714.67, 1,398,053,682.63 and 341,807,965.99
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Solution
The fourth proportional to 932,139,714.67, 1,398,053,682.63 and 341,807,965.99 is: 512,654,785.63
Step by Step Solution
- Step 1: Write the proportion equation
932,139,714.67 : 1,398,053,682.63 = 341,807,965.99 : x - Step 2: Convert to fraction form
932,139,714.67/1,398,053,682.63 = 341,807,965.99/x - Step 3: Cross multiply
932,139,714.67x = 1,398,053,682.63 × 341,807,965.99 - Step 4: Simplify right side
932,139,714.67x = 477,865,885,601,094,208 - Step 5: Solve for x
x = 477,865,885,601,094,208/932,139,714.67 - Step 6: Final answer
x = 512,654,785.63
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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.