Finding the Fourth Proportional to 866,585,171.80, 1,195,887,537.20 and 495,315,174.79
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Solution
The fourth proportional to 866,585,171.80, 1,195,887,537.20 and 495,315,174.79 is: 683,534,941.28
Step by Step Solution
- Step 1: Write the proportion equation
866,585,171.80 : 1,195,887,537.20 = 495,315,174.79 : x - Step 2: Convert to fraction form
866,585,171.80/1,195,887,537.20 = 495,315,174.79/x - Step 3: Cross multiply
866,585,171.80x = 1,195,887,537.20 × 495,315,174.79 - Step 4: Simplify right side
866,585,171.80x = 592,341,244,515,649,280 - Step 5: Solve for x
x = 592,341,244,515,649,280/866,585,171.80 - Step 6: Final answer
x = 683,534,941.28
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1.5x scale
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.