Finding the Fourth Proportional to 4,784,398,714.80, 6,602,470,473.96 and 2,641,005,941.76
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Solution
The fourth proportional to 4,784,398,714.80, 6,602,470,473.96 and 2,641,005,941.76 is: 3,644,588,336.27
Step by Step Solution
- Step 1: Write the proportion equation
4,784,398,714.80 : 6,602,470,473.96 = 2,641,005,941.76 : x - Step 2: Convert to fraction form
4,784,398,714.80/6,602,470,473.96 = 2,641,005,941.76/x - Step 3: Cross multiply
4,784,398,714.80x = 6,602,470,473.96 × 2,641,005,941.76 - Step 4: Simplify right side
4,784,398,714.80x = 17,437,163,752,023,324,672 - Step 5: Solve for x
x = 17,437,163,752,023,324,672/4,784,398,714.80 - Step 6: Final answer
x = 3,644,588,336.27
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1.5x scale
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.