Finding the Fourth Proportional to 541,367,951.63, 747,068,439.77 and 306,413,567.13
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Solution
The fourth proportional to 541,367,951.63, 747,068,439.77 and 306,413,567.13 is: 422,839,779.91
Step by Step Solution
- Step 1: Write the proportion equation
541,367,951.63 : 747,068,439.77 = 306,413,567.13 : x - Step 2: Convert to fraction form
541,367,951.63/747,068,439.77 = 306,413,567.13/x - Step 3: Cross multiply
541,367,951.63x = 747,068,439.77 × 306,413,567.13 - Step 4: Simplify right side
541,367,951.63x = 228,911,905,514,901,856 - Step 5: Solve for x
x = 228,911,905,514,901,856/541,367,951.63 - Step 6: Final answer
x = 422,839,779.91
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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.