Finding the Fourth Proportional to 277,995,480.37, 417,017,455.62 and 91,193,415.10
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Solution
The fourth proportional to 277,995,480.37, 417,017,455.62 and 91,193,415.10 is: 136,798,072.70
Step by Step Solution
- Step 1: Write the proportion equation
277,995,480.37 : 417,017,455.62 = 91,193,415.10 : x - Step 2: Convert to fraction form
277,995,480.37/417,017,455.62 = 91,193,415.10/x - Step 3: Cross multiply
277,995,480.37x = 417,017,455.62 × 91,193,415.10 - Step 4: Simplify right side
277,995,480.37x = 38,029,245,934,300,488 - Step 5: Solve for x
x = 38,029,245,934,300,488/277,995,480.37 - Step 6: Final answer
x = 136,798,072.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.