Finding the Fourth Proportional to 270,756,798.60, 406,173,760.87 and 84,026,874.79
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Solution
The fourth proportional to 270,756,798.60, 406,173,760.87 and 84,026,874.79 is: 126,052,279.84
Step by Step Solution
- Step 1: Write the proportion equation
270,756,798.60 : 406,173,760.87 = 84,026,874.79 : x - Step 2: Convert to fraction form
270,756,798.60/406,173,760.87 = 84,026,874.79/x - Step 3: Cross multiply
270,756,798.60x = 406,173,760.87 × 84,026,874.79 - Step 4: Simplify right side
270,756,798.60x = 34,129,511,746,171,320 - Step 5: Solve for x
x = 34,129,511,746,171,320/270,756,798.60 - Step 6: Final answer
x = 126,052,279.84
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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.