Finding the Fourth Proportional to 920,296,516.88, 1,270,040,530.16 and 544,275,437.32
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Solution
The fourth proportional to 920,296,516.88, 1,270,040,530.16 and 544,275,437.32 is: 751,118,636.54
Step by Step Solution
- Step 1: Write the proportion equation
920,296,516.88 : 1,270,040,530.16 = 544,275,437.32 : x - Step 2: Convert to fraction form
920,296,516.88/1,270,040,530.16 = 544,275,437.32/x - Step 3: Cross multiply
920,296,516.88x = 1,270,040,530.16 × 544,275,437.32 - Step 4: Simplify right side
920,296,516.88x = 691,251,864,966,958,720 - Step 5: Solve for x
x = 691,251,864,966,958,720/920,296,516.88 - Step 6: Final answer
x = 751,118,636.54
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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.