Finding the Fourth Proportional to 481,593,588.72, 664,587,848.91 and 283,367,922.55
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Solution
The fourth proportional to 481,593,588.72, 664,587,848.91 and 283,367,922.55 is: 391,041,082.17
Step by Step Solution
- Step 1: Write the proportion equation
481,593,588.72 : 664,587,848.91 = 283,367,922.55 : x - Step 2: Convert to fraction form
481,593,588.72/664,587,848.91 = 283,367,922.55/x - Step 3: Cross multiply
481,593,588.72x = 664,587,848.91 × 283,367,922.55 - Step 4: Simplify right side
481,593,588.72x = 188,322,878,097,599,968 - Step 5: Solve for x
x = 188,322,878,097,599,968/481,593,588.72 - Step 6: Final answer
x = 391,041,082.17
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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.