Finding the Fourth Proportional to 496,866,425.40, 745,299,638.10 and 169,711,345.80
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Solution
The fourth proportional to 496,866,425.40, 745,299,638.10 and 169,711,345.80 is: 254,567,018.70
Step by Step Solution
- Step 1: Write the proportion equation
496,866,425.40 : 745,299,638.10 = 169,711,345.80 : x - Step 2: Convert to fraction form
496,866,425.40/745,299,638.10 = 169,711,345.80/x - Step 3: Cross multiply
496,866,425.40x = 745,299,638.10 × 169,711,345.80 - Step 4: Simplify right side
496,866,425.40x = 126,485,804,606,203,968 - Step 5: Solve for x
x = 126,485,804,606,203,968/496,866,425.40 - Step 6: Final answer
x = 254,567,018.70
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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.