Finding the Fourth Proportional to 366,708,853.20, 506,067,791.20 and 201,700,752.96
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Solution
The fourth proportional to 366,708,853.20, 506,067,791.20 and 201,700,752.96 is: 278,352,304.95
Step by Step Solution
- Step 1: Write the proportion equation
366,708,853.20 : 506,067,791.20 = 201,700,752.96 : x - Step 2: Convert to fraction form
366,708,853.20/506,067,791.20 = 201,700,752.96/x - Step 3: Cross multiply
366,708,853.20x = 506,067,791.20 × 201,700,752.96 - Step 4: Simplify right side
366,708,853.20x = 102,074,254,533,844,064 - Step 5: Solve for x
x = 102,074,254,533,844,064/366,708,853.20 - Step 6: Final answer
x = 278,352,304.95
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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.