Finding the Fourth Proportional to 2,368,420,353.10, 3,268,290,601.44 and 1,296,516,322.60
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Solution
The fourth proportional to 2,368,420,353.10, 3,268,290,601.44 and 1,296,516,322.60 is: 1,789,121,642.29
Step by Step Solution
- Step 1: Write the proportion equation
2,368,420,353.10 : 3,268,290,601.44 = 1,296,516,322.60 : x - Step 2: Convert to fraction form
2,368,420,353.10/3,268,290,601.44 = 1,296,516,322.60/x - Step 3: Cross multiply
2,368,420,353.10x = 3,268,290,601.44 × 1,296,516,322.60 - Step 4: Simplify right side
2,368,420,353.10x = 4,237,392,111,767,130,624 - Step 5: Solve for x
x = 4,237,392,111,767,130,624/2,368,420,353.10 - Step 6: Final answer
x = 1,789,121,642.29
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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.