Finding the Fourth Proportional to 325,944,081.80, 488,916,122.70 and 83,606,985.80
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Solution
The fourth proportional to 325,944,081.80, 488,916,122.70 and 83,606,985.80 is: 125,410,478.70
Step by Step Solution
- Step 1: Write the proportion equation
325,944,081.80 : 488,916,122.70 = 83,606,985.80 : x - Step 2: Convert to fraction form
325,944,081.80/488,916,122.70 = 83,606,985.80/x - Step 3: Cross multiply
325,944,081.80x = 488,916,122.70 × 83,606,985.80 - Step 4: Simplify right side
325,944,081.80x = 40,876,803,327,969,952 - Step 5: Solve for x
x = 40,876,803,327,969,952/325,944,081.80 - Step 6: Final answer
x = 125,410,478.70
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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.