Finding the Fourth Proportional to 810,932,608.08, 1,119,080,250.36 and 458,577,786.96
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Solution
The fourth proportional to 810,932,608.08, 1,119,080,250.36 and 458,577,786.96 is: 632,833,529.60
Step by Step Solution
- Step 1: Write the proportion equation
810,932,608.08 : 1,119,080,250.36 = 458,577,786.96 : x - Step 2: Convert to fraction form
810,932,608.08/1,119,080,250.36 = 458,577,786.96/x - Step 3: Cross multiply
810,932,608.08x = 1,119,080,250.36 × 458,577,786.96 - Step 4: Simplify right side
810,932,608.08x = 513,185,344,640,731,456 - Step 5: Solve for x
x = 513,185,344,640,731,456/810,932,608.08 - Step 6: Final answer
x = 632,833,529.60
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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.