Finding the Fourth Proportional to 885,694,231.60, 1,328,541,347.40 and 340,453,553.20
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Solution
The fourth proportional to 885,694,231.60, 1,328,541,347.40 and 340,453,553.20 is: 510,680,329.80
Step by Step Solution
- Step 1: Write the proportion equation
885,694,231.60 : 1,328,541,347.40 = 340,453,553.20 : x - Step 2: Convert to fraction form
885,694,231.60/1,328,541,347.40 = 340,453,553.20/x - Step 3: Cross multiply
885,694,231.60x = 1,328,541,347.40 × 340,453,553.20 - Step 4: Simplify right side
885,694,231.60x = 452,306,622,295,445,568 - Step 5: Solve for x
x = 452,306,622,295,445,568/885,694,231.60 - Step 6: Final answer
x = 510,680,329.80
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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.