Finding the Fourth Proportional to 2,268,202,188, 3,130,120,275.12 and 1,225,160,652
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Solution
The fourth proportional to 2,268,202,188, 3,130,120,275.12 and 1,225,160,652 is: 1,690,722,378.01
Step by Step Solution
- Step 1: Write the proportion equation
2,268,202,188 : 3,130,120,275.12 = 1,225,160,652 : x - Step 2: Convert to fraction form
2,268,202,188/3,130,120,275.12 = 1,225,160,652/x - Step 3: Cross multiply
2,268,202,188x = 3,130,120,275.12 × 1,225,160,652 - Step 4: Simplify right side
2,268,202,188x = 3,834,900,197,104,438,272 - Step 5: Solve for x
x = 3,834,900,197,104,438,272/2,268,202,188 - Step 6: Final answer
x = 1,690,722,378.01
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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.