Finding the Fourth Proportional to 875,105,906.12, 1,207,512,003.30 and 503,756,183.24
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Solution
The fourth proportional to 875,105,906.12, 1,207,512,003.30 and 503,756,183.24 is: 695,106,310.84
Step by Step Solution
- Step 1: Write the proportion equation
875,105,906.12 : 1,207,512,003.30 = 503,756,183.24 : x - Step 2: Convert to fraction form
875,105,906.12/1,207,512,003.30 = 503,756,183.24/x - Step 3: Cross multiply
875,105,906.12x = 1,207,512,003.30 × 503,756,183.24 - Step 4: Simplify right side
875,105,906.12x = 608,291,637,998,894,336 - Step 5: Solve for x
x = 608,291,637,998,894,336/875,105,906.12 - Step 6: Final answer
x = 695,106,310.84
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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.