Finding the Fourth Proportional to 6,186,774,633.14, 8,538,475,997.58 and 3,474,488,183.78
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Solution
The fourth proportional to 6,186,774,633.14, 8,538,475,997.58 and 3,474,488,183.78 is: 4,795,201,978.45
Step by Step Solution
- Step 1: Write the proportion equation
6,186,774,633.14 : 8,538,475,997.58 = 3,474,488,183.78 : x - Step 2: Convert to fraction form
6,186,774,633.14/8,538,475,997.58 = 3,474,488,183.78/x - Step 3: Cross multiply
6,186,774,633.14x = 8,538,475,997.58 × 3,474,488,183.78 - Step 4: Simplify right side
6,186,774,633.14x = 29,666,833,961,080,860,672 - Step 5: Solve for x
x = 29,666,833,961,080,860,672/6,186,774,633.14 - Step 6: Final answer
x = 4,795,201,978.45
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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.