Finding the Fourth Proportional to 7,471,925,712.87, 11,215,643,597.52 and 4,330,278,485.02
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Solution
The fourth proportional to 7,471,925,712.87, 11,215,643,597.52 and 4,330,278,485.02 is: 6,499,912,075.19
Step by Step Solution
- Step 1: Write the proportion equation
7,471,925,712.87 : 11,215,643,597.52 = 4,330,278,485.02 : x - Step 2: Convert to fraction form
7,471,925,712.87/11,215,643,597.52 = 4,330,278,485.02/x - Step 3: Cross multiply
7,471,925,712.87x = 11,215,643,597.52 × 4,330,278,485.02 - Step 4: Simplify right side
7,471,925,712.87x = 48,566,860,165,993,177,088 - Step 5: Solve for x
x = 48,566,860,165,993,177,088/7,471,925,712.87 - Step 6: Final answer
x = 6,499,912,075.19
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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.