Finding the Fourth Proportional to 965,399,122.80, 1,448,854,511.40 and 447,893,686.80
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Solution
The fourth proportional to 965,399,122.80, 1,448,854,511.40 and 447,893,686.80 is: 672,191,193.70
Step by Step Solution
- Step 1: Write the proportion equation
965,399,122.80 : 1,448,854,511.40 = 447,893,686.80 : x - Step 2: Convert to fraction form
965,399,122.80/1,448,854,511.40 = 447,893,686.80/x - Step 3: Cross multiply
965,399,122.80x = 1,448,854,511.40 × 447,893,686.80 - Step 4: Simplify right side
965,399,122.80x = 648,932,788,747,758,720 - Step 5: Solve for x
x = 648,932,788,747,758,720/965,399,122.80 - Step 6: Final answer
x = 672,191,193.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.