Finding the Fourth Proportional to 4,259,716,208.64, 6,389,895,484.85 and 1,271,543,248.98
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Solution
The fourth proportional to 4,259,716,208.64, 6,389,895,484.85 and 1,271,543,248.98 is: 1,907,410,744.63
Step by Step Solution
- Step 1: Write the proportion equation
4,259,716,208.64 : 6,389,895,484.85 = 1,271,543,248.98 : x - Step 2: Convert to fraction form
4,259,716,208.64/6,389,895,484.85 = 1,271,543,248.98/x - Step 3: Cross multiply
4,259,716,208.64x = 6,389,895,484.85 × 1,271,543,248.98 - Step 4: Simplify right side
4,259,716,208.64x = 8,125,028,465,442,444,288 - Step 5: Solve for x
x = 8,125,028,465,442,444,288/4,259,716,208.64 - Step 6: Final answer
x = 1,907,410,744.63
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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.