Finding the Fourth Proportional to 472,393,324.70, 708,589,987.05 and 264,918,758.30
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Solution
The fourth proportional to 472,393,324.70, 708,589,987.05 and 264,918,758.30 is: 397,378,137.45
Step by Step Solution
- Step 1: Write the proportion equation
472,393,324.70 : 708,589,987.05 = 264,918,758.30 : x - Step 2: Convert to fraction form
472,393,324.70/708,589,987.05 = 264,918,758.30/x - Step 3: Cross multiply
472,393,324.70x = 708,589,987.05 × 264,918,758.30 - Step 4: Simplify right side
472,393,324.70x = 187,718,779,513,099,072 - Step 5: Solve for x
x = 187,718,779,513,099,072/472,393,324.70 - Step 6: Final answer
x = 397,378,137.45
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1.5x scale
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.