Finding the Fourth Proportional to 581,855,402.18, 802,977,462.26 and 317,554,357.92
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Solution
The fourth proportional to 581,855,402.18, 802,977,462.26 and 317,554,357.92 is: 438,234,295.84
Step by Step Solution
- Step 1: Write the proportion equation
581,855,402.18 : 802,977,462.26 = 317,554,357.92 : x - Step 2: Convert to fraction form
581,855,402.18/802,977,462.26 = 317,554,357.92/x - Step 3: Cross multiply
581,855,402.18x = 802,977,462.26 × 317,554,357.92 - Step 4: Simplify right side
581,855,402.18x = 254,988,992,450,617,568 - Step 5: Solve for x
x = 254,988,992,450,617,568/581,855,402.18 - Step 6: Final answer
x = 438,234,295.84
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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.