Finding the Fourth Proportional to 342,028,353.76, 471,986,478.40 and 185,392,097.68
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Solution
The fourth proportional to 342,028,353.76, 471,986,478.40 and 185,392,097.68 is: 255,834,238.14
Step by Step Solution
- Step 1: Write the proportion equation
342,028,353.76 : 471,986,478.40 = 185,392,097.68 : x - Step 2: Convert to fraction form
342,028,353.76/471,986,478.40 = 185,392,097.68/x - Step 3: Cross multiply
342,028,353.76x = 471,986,478.40 × 185,392,097.68 - Step 4: Simplify right side
342,028,353.76x = 87,502,563,307,172,016 - Step 5: Solve for x
x = 87,502,563,307,172,016/342,028,353.76 - Step 6: Final answer
x = 255,834,238.14
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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.