Finding the Fourth Proportional to 1,117,627,816.48, 1,542,256,893.36 and 615,808,517.84
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Solution
The fourth proportional to 1,117,627,816.48, 1,542,256,893.36 and 615,808,517.84 is: 849,777,464.04
Step by Step Solution
- Step 1: Write the proportion equation
1,117,627,816.48 : 1,542,256,893.36 = 615,808,517.84 : x - Step 2: Convert to fraction form
1,117,627,816.48/1,542,256,893.36 = 615,808,517.84/x - Step 3: Cross multiply
1,117,627,816.48x = 1,542,256,893.36 × 615,808,517.84 - Step 4: Simplify right side
1,117,627,816.48x = 949,734,931,628,544,512 - Step 5: Solve for x
x = 949,734,931,628,544,512/1,117,627,816.48 - Step 6: Final answer
x = 849,777,464.04
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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.