Finding the Fourth Proportional to 817,453,590.99, 1,129,561,582.58 and 582,095,645.75
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Solution
The fourth proportional to 817,453,590.99, 1,129,561,582.58 and 582,095,645.75 is: 804,342,761.55
Step by Step Solution
- Step 1: Write the proportion equation
817,453,590.99 : 1,129,561,582.58 = 582,095,645.75 : x - Step 2: Convert to fraction form
817,453,590.99/1,129,561,582.58 = 582,095,645.75/x - Step 3: Cross multiply
817,453,590.99x = 1,129,561,582.58 × 582,095,645.75 - Step 4: Simplify right side
817,453,590.99x = 657,512,878,817,738,752 - Step 5: Solve for x
x = 657,512,878,817,738,752/817,453,590.99 - Step 6: Final answer
x = 804,342,761.55
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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.