Finding the Fourth Proportional to 7,099,080,069.84, 9,797,019,260.04 and 3,927,209,459.28
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Solution
The fourth proportional to 7,099,080,069.84, 9,797,019,260.04 and 3,927,209,459.28 is: 5,419,708,797.80
Step by Step Solution
- Step 1: Write the proportion equation
7,099,080,069.84 : 9,797,019,260.04 = 3,927,209,459.28 : x - Step 2: Convert to fraction form
7,099,080,069.84/9,797,019,260.04 = 3,927,209,459.28/x - Step 3: Cross multiply
7,099,080,069.84x = 9,797,019,260.04 × 3,927,209,459.28 - Step 4: Simplify right side
7,099,080,069.84x = 38,474,946,710,777,438,208 - Step 5: Solve for x
x = 38,474,946,710,777,438,208/7,099,080,069.84 - Step 6: Final answer
x = 5,419,708,797.80
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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.