Finding the Fourth Proportional to 344,368,643.46, 475,224,189.51 and 193,661,254.54
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Solution
The fourth proportional to 344,368,643.46, 475,224,189.51 and 193,661,254.54 is: 267,249,978.99
Step by Step Solution
- Step 1: Write the proportion equation
344,368,643.46 : 475,224,189.51 = 193,661,254.54 : x - Step 2: Convert to fraction form
344,368,643.46/475,224,189.51 = 193,661,254.54/x - Step 3: Cross multiply
344,368,643.46x = 475,224,189.51 × 193,661,254.54 - Step 4: Simplify right side
344,368,643.46x = 92,032,512,728,261,296 - Step 5: Solve for x
x = 92,032,512,728,261,296/344,368,643.46 - Step 6: Final answer
x = 267,249,978.99
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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.