Finding the Fourth Proportional to 471,616,221.30, 706,752,485.55 and 347,828,522.10
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Solution
The fourth proportional to 471,616,221.30, 706,752,485.55 and 347,828,522.10 is: 521,247,279.96
Step by Step Solution
- Step 1: Write the proportion equation
471,616,221.30 : 706,752,485.55 = 347,828,522.10 : x - Step 2: Convert to fraction form
471,616,221.30/706,752,485.55 = 347,828,522.10/x - Step 3: Cross multiply
471,616,221.30x = 706,752,485.55 × 347,828,522.10 - Step 4: Simplify right side
471,616,221.30x = 245,828,672,539,358,112 - Step 5: Solve for x
x = 245,828,672,539,358,112/471,616,221.30 - Step 6: Final answer
x = 521,247,279.96
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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.