Finding the Fourth Proportional to 347,921,115.18, 480,102,742.08 and 204,844,294.68
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Solution
The fourth proportional to 347,921,115.18, 480,102,742.08 and 204,844,294.68 is: 282,668,407.53
Step by Step Solution
- Step 1: Write the proportion equation
347,921,115.18 : 480,102,742.08 = 204,844,294.68 : x - Step 2: Convert to fraction form
347,921,115.18/480,102,742.08 = 204,844,294.68/x - Step 3: Cross multiply
347,921,115.18x = 480,102,742.08 × 204,844,294.68 - Step 4: Simplify right side
347,921,115.18x = 98,346,307,575,311,552 - Step 5: Solve for x
x = 98,346,307,575,311,552/347,921,115.18 - Step 6: Final answer
x = 282,668,407.53
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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.