Finding the Fourth Proportional to 299,575,694.30, 413,378,654.06 and 165,595,511.96
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Solution
The fourth proportional to 299,575,694.30, 413,378,654.06 and 165,595,511.96 is: 228,502,015.20
Step by Step Solution
- Step 1: Write the proportion equation
299,575,694.30 : 413,378,654.06 = 165,595,511.96 : x - Step 2: Convert to fraction form
299,575,694.30/413,378,654.06 = 165,595,511.96/x - Step 3: Cross multiply
299,575,694.30x = 413,378,654.06 × 165,595,511.96 - Step 4: Simplify right side
299,575,694.30x = 68,453,649,852,401,440 - Step 5: Solve for x
x = 68,453,649,852,401,440/299,575,694.30 - Step 6: Final answer
x = 228,502,015.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.