Finding the Fourth Proportional to 3,817,729,660.21, 5,268,384,354.72 and 2,210,252,443.87
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Solution
The fourth proportional to 3,817,729,660.21, 5,268,384,354.72 and 2,210,252,443.87 is: 3,050,100,565.43
Step by Step Solution
- Step 1: Write the proportion equation
3,817,729,660.21 : 5,268,384,354.72 = 2,210,252,443.87 : x - Step 2: Convert to fraction form
3,817,729,660.21/5,268,384,354.72 = 2,210,252,443.87/x - Step 3: Cross multiply
3,817,729,660.21x = 5,268,384,354.72 × 2,210,252,443.87 - Step 4: Simplify right side
3,817,729,660.21x = 11,644,459,395,266,353,152 - Step 5: Solve for x
x = 11,644,459,395,266,353,152/3,817,729,660.21 - Step 6: Final answer
x = 3,050,100,565.43
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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.