Finding the Fourth Proportional to 2,368,420,043.32, 3,268,290,173.98 and 1,296,516,012.22
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Solution
The fourth proportional to 2,368,420,043.32, 3,268,290,173.98 and 1,296,516,012.22 is: 1,789,121,213.99
Step by Step Solution
- Step 1: Write the proportion equation
2,368,420,043.32 : 3,268,290,173.98 = 1,296,516,012.22 : x - Step 2: Convert to fraction form
2,368,420,043.32/3,268,290,173.98 = 1,296,516,012.22/x - Step 3: Cross multiply
2,368,420,043.32x = 3,268,290,173.98 × 1,296,516,012.22 - Step 4: Simplify right side
2,368,420,043.32x = 4,237,390,543,130,017,792 - Step 5: Solve for x
x = 4,237,390,543,130,017,792/2,368,420,043.32 - Step 6: Final answer
x = 1,789,121,213.99
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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.