Finding the Fourth Proportional to 609,257,395,697.20, 913,889,987,917.65 and 178,992,720,519.55
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Solution
The fourth proportional to 609,257,395,697.20, 913,889,987,917.65 and 178,992,720,519.55 is: 268,490,224,900.38
Step by Step Solution
- Step 1: Write the proportion equation
609,257,395,697.20 : 913,889,987,917.65 = 178,992,720,519.55 : x - Step 2: Convert to fraction form
609,257,395,697.20/913,889,987,917.65 = 178,992,720,519.55/x - Step 3: Cross multiply
609,257,395,697.20x = 913,889,987,917.65 × 178,992,720,519.55 - Step 4: Simplify right side
609,257,395,697.20x = 163,579,655,192,958,839,291,904 - Step 5: Solve for x
x = 163,579,655,192,958,839,291,904/609,257,395,697.20 - Step 6: Final answer
x = 268,490,224,900.38
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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.