Finding the Fourth Proportional to 581,930,416.12, 873,010,615.04 and 213,468,790.36
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Solution
The fourth proportional to 581,930,416.12, 873,010,615.04 and 213,468,790.36 is: 320,245,367.49
Step by Step Solution
- Step 1: Write the proportion equation
581,930,416.12 : 873,010,615.04 = 213,468,790.36 : x - Step 2: Convert to fraction form
581,930,416.12/873,010,615.04 = 213,468,790.36/x - Step 3: Cross multiply
581,930,416.12x = 873,010,615.04 × 213,468,790.36 - Step 4: Simplify right side
581,930,416.12x = 186,360,519,964,028,416 - Step 5: Solve for x
x = 186,360,519,964,028,416/581,930,416.12 - Step 6: Final answer
x = 320,245,367.49
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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.