Finding the Fourth Proportional to 6,339,834,686.76, 8,749,526,276.70 and 3,520,993,687.80
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Solution
The fourth proportional to 6,339,834,686.76, 8,749,526,276.70 and 3,520,993,687.80 is: 4,859,279,194.75
Step by Step Solution
- Step 1: Write the proportion equation
6,339,834,686.76 : 8,749,526,276.70 = 3,520,993,687.80 : x - Step 2: Convert to fraction form
6,339,834,686.76/8,749,526,276.70 = 3,520,993,687.80/x - Step 3: Cross multiply
6,339,834,686.76x = 8,749,526,276.70 × 3,520,993,687.80 - Step 4: Simplify right side
6,339,834,686.76x = 30,807,026,791,500,939,264 - Step 5: Solve for x
x = 30,807,026,791,500,939,264/6,339,834,686.76 - Step 6: Final answer
x = 4,859,279,194.75
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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.