Finding the Fourth Proportional to 2,268,202,192, 3,130,120,280.64 and 1,225,160,656
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Solution
The fourth proportional to 2,268,202,192, 3,130,120,280.64 and 1,225,160,656 is: 1,690,722,383.53
Step by Step Solution
- Step 1: Write the proportion equation
2,268,202,192 : 3,130,120,280.64 = 1,225,160,656 : x - Step 2: Convert to fraction form
2,268,202,192/3,130,120,280.64 = 1,225,160,656/x - Step 3: Cross multiply
2,268,202,192x = 3,130,120,280.64 × 1,225,160,656 - Step 4: Simplify right side
2,268,202,192x = 3,834,900,216,387,806,208 - Step 5: Solve for x
x = 3,834,900,216,387,806,208/2,268,202,192 - Step 6: Final answer
x = 1,690,722,383.53
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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.