Finding the Fourth Proportional to 497,291,324.80, 745,936,987.20 and 169,657,948.30
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Solution
The fourth proportional to 497,291,324.80, 745,936,987.20 and 169,657,948.30 is: 254,486,922.45
Step by Step Solution
- Step 1: Write the proportion equation
497,291,324.80 : 745,936,987.20 = 169,657,948.30 : x - Step 2: Convert to fraction form
497,291,324.80/745,936,987.20 = 169,657,948.30/x - Step 3: Cross multiply
497,291,324.80x = 745,936,987.20 × 169,657,948.30 - Step 4: Simplify right side
497,291,324.80x = 126,554,138,809,435,376 - Step 5: Solve for x
x = 126,554,138,809,435,376/497,291,324.80 - Step 6: Final answer
x = 254,486,922.45
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Similar ratio
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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.