Finding the Fourth Proportional to 672,094,776.96, 926,874,415.11 and 460,708,804.80
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Solution
The fourth proportional to 672,094,776.96, 926,874,415.11 and 460,708,804.80 is: 635,355,635.28
Step by Step Solution
- Step 1: Write the proportion equation
672,094,776.96 : 926,874,415.11 = 460,708,804.80 : x - Step 2: Convert to fraction form
672,094,776.96/926,874,415.11 = 460,708,804.80/x - Step 3: Cross multiply
672,094,776.96x = 926,874,415.11 × 460,708,804.80 - Step 4: Simplify right side
672,094,776.96x = 427,019,203,985,027,200 - Step 5: Solve for x
x = 427,019,203,985,027,200/672,094,776.96 - Step 6: Final answer
x = 635,355,635.28
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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.