Finding the Fourth Proportional to 302,173,828.10, 453,260,742.15 and 210,340,823.30
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Solution
The fourth proportional to 302,173,828.10, 453,260,742.15 and 210,340,823.30 is: 315,511,234.95
Step by Step Solution
- Step 1: Write the proportion equation
302,173,828.10 : 453,260,742.15 = 210,340,823.30 : x - Step 2: Convert to fraction form
302,173,828.10/453,260,742.15 = 210,340,823.30/x - Step 3: Cross multiply
302,173,828.10x = 453,260,742.15 × 210,340,823.30 - Step 4: Simplify right side
302,173,828.10x = 95,339,237,673,400,016 - Step 5: Solve for x
x = 95,339,237,673,400,016/302,173,828.10 - Step 6: Final answer
x = 315,511,234.95
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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.