Finding the Fourth Proportional to 527,675,855.08, 728,279,974.21 and 292,802,183.63
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Solution
The fourth proportional to 527,675,855.08, 728,279,974.21 and 292,802,183.63 is: 404,115,452.11
Step by Step Solution
- Step 1: Write the proportion equation
527,675,855.08 : 728,279,974.21 = 292,802,183.63 : x - Step 2: Convert to fraction form
527,675,855.08/728,279,974.21 = 292,802,183.63/x - Step 3: Cross multiply
527,675,855.08x = 728,279,974.21 × 292,802,183.63 - Step 4: Simplify right side
527,675,855.08x = 213,241,966,742,688,096 - Step 5: Solve for x
x = 213,241,966,742,688,096/527,675,855.08 - Step 6: Final answer
x = 404,115,452.11
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1.5x scale
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.