Finding the Fourth Proportional to 345,134,467.40, 517,701,701.10 and 313,893,609.80
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Solution
The fourth proportional to 345,134,467.40, 517,701,701.10 and 313,893,609.80 is: 470,840,414.70
Step by Step Solution
- Step 1: Write the proportion equation
345,134,467.40 : 517,701,701.10 = 313,893,609.80 : x - Step 2: Convert to fraction form
345,134,467.40/517,701,701.10 = 313,893,609.80/x - Step 3: Cross multiply
345,134,467.40x = 517,701,701.10 × 313,893,609.80 - Step 4: Simplify right side
345,134,467.40x = 162,503,255,757,879,648 - Step 5: Solve for x
x = 162,503,255,757,879,648/345,134,467.40 - Step 6: Final answer
x = 470,840,414.70
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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.