Finding the Fourth Proportional to 374,134,472,891.20, 561,201,709,336.80 and 109,138,858,415.20
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Solution
The fourth proportional to 374,134,472,891.20, 561,201,709,336.80 and 109,138,858,415.20 is: 163,708,287,622.80
Step by Step Solution
- Step 1: Write the proportion equation
374,134,472,891.20 : 561,201,709,336.80 = 109,138,858,415.20 : x - Step 2: Convert to fraction form
374,134,472,891.20/561,201,709,336.80 = 109,138,858,415.20/x - Step 3: Cross multiply
374,134,472,891.20x = 561,201,709,336.80 × 109,138,858,415.20 - Step 4: Simplify right side
374,134,472,891.20x = 61,248,913,897,677,240,926,208 - Step 5: Solve for x
x = 61,248,913,897,677,240,926,208/374,134,472,891.20 - Step 6: Final answer
x = 163,708,287,622.80
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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.