Finding the Fourth Proportional to 851,306,395.74, 1,174,802,306.46 and 460,165,819.74
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Solution
The fourth proportional to 851,306,395.74, 1,174,802,306.46 and 460,165,819.74 is: 635,028,550.34
Step by Step Solution
- Step 1: Write the proportion equation
851,306,395.74 : 1,174,802,306.46 = 460,165,819.74 : x - Step 2: Convert to fraction form
851,306,395.74/1,174,802,306.46 = 460,165,819.74/x - Step 3: Cross multiply
851,306,395.74x = 1,174,802,306.46 × 460,165,819.74 - Step 4: Simplify right side
851,306,395.74x = 540,603,866,384,608,640 - Step 5: Solve for x
x = 540,603,866,384,608,640/851,306,395.74 - Step 6: Final answer
x = 635,028,550.34
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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.