Finding the Fourth Proportional to 590,515,891.80, 885,773,837.70 and 159,694,387.80
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Solution
The fourth proportional to 590,515,891.80, 885,773,837.70 and 159,694,387.80 is: 239,541,581.70
Step by Step Solution
- Step 1: Write the proportion equation
590,515,891.80 : 885,773,837.70 = 159,694,387.80 : x - Step 2: Convert to fraction form
590,515,891.80/885,773,837.70 = 159,694,387.80/x - Step 3: Cross multiply
590,515,891.80x = 885,773,837.70 × 159,694,387.80 - Step 4: Simplify right side
590,515,891.80x = 141,453,110,740,758,080 - Step 5: Solve for x
x = 141,453,110,740,758,080/590,515,891.80 - Step 6: Final answer
x = 239,541,581.70
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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.