Finding the Fourth Proportional to 455,684,445.12, 628,831,542.64 and 267,509,713.12
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Solution
The fourth proportional to 455,684,445.12, 628,831,542.64 and 267,509,713.12 is: 369,155,777.37
Step by Step Solution
- Step 1: Write the proportion equation
455,684,445.12 : 628,831,542.64 = 267,509,713.12 : x - Step 2: Convert to fraction form
455,684,445.12/628,831,542.64 = 267,509,713.12/x - Step 3: Cross multiply
455,684,445.12x = 628,831,542.64 × 267,509,713.12 - Step 4: Simplify right side
455,684,445.12x = 168,218,545,572,433,440 - Step 5: Solve for x
x = 168,218,545,572,433,440/455,684,445.12 - Step 6: Final answer
x = 369,155,777.37
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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.