Finding the Fourth Proportional to 405,980,567.19, 560,253,723.35 and 220,341,582.88
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Solution
The fourth proportional to 405,980,567.19, 560,253,723.35 and 220,341,582.88 is: 304,071,677.79
Step by Step Solution
- Step 1: Write the proportion equation
405,980,567.19 : 560,253,723.35 = 220,341,582.88 : x - Step 2: Convert to fraction form
405,980,567.19/560,253,723.35 = 220,341,582.88/x - Step 3: Cross multiply
405,980,567.19x = 560,253,723.35 × 220,341,582.88 - Step 4: Simplify right side
405,980,567.19x = 123,447,192,217,352,624 - Step 5: Solve for x
x = 123,447,192,217,352,624/405,980,567.19 - Step 6: Final answer
x = 304,071,677.79
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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.