Finding the Fourth Proportional to 948,733,858.08, 1,309,181,240.16 and 577,414,850.40
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Solution
The fourth proportional to 948,733,858.08, 1,309,181,240.16 and 577,414,850.40 is: 796,788,987.23
Step by Step Solution
- Step 1: Write the proportion equation
948,733,858.08 : 1,309,181,240.16 = 577,414,850.40 : x - Step 2: Convert to fraction form
948,733,858.08/1,309,181,240.16 = 577,414,850.40/x - Step 3: Cross multiply
948,733,858.08x = 1,309,181,240.16 × 577,414,850.40 - Step 4: Simplify right side
948,733,858.08x = 755,940,689,933,472,896 - Step 5: Solve for x
x = 755,940,689,933,472,896/948,733,858.08 - Step 6: Final answer
x = 796,788,987.23
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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.