Finding the Fourth Proportional to 497,389,374.70, 746,084,062.05 and 156,987,198.70
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Solution
The fourth proportional to 497,389,374.70, 746,084,062.05 and 156,987,198.70 is: 235,480,798.05
Step by Step Solution
- Step 1: Write the proportion equation
497,389,374.70 : 746,084,062.05 = 156,987,198.70 : x - Step 2: Convert to fraction form
497,389,374.70/746,084,062.05 = 156,987,198.70/x - Step 3: Cross multiply
497,389,374.70x = 746,084,062.05 × 156,987,198.70 - Step 4: Simplify right side
497,389,374.70x = 117,125,646,895,946,464 - Step 5: Solve for x
x = 117,125,646,895,946,464/497,389,374.70 - Step 6: Final answer
x = 235,480,798.05
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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.