Finding the Fourth Proportional to 493,155,384.26, 680,296,412.88 and 304,923,507.62
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Solution
The fourth proportional to 493,155,384.26, 680,296,412.88 and 304,923,507.62 is: 420,634,905.46
Step by Step Solution
- Step 1: Write the proportion equation
493,155,384.26 : 680,296,412.88 = 304,923,507.62 : x - Step 2: Convert to fraction form
493,155,384.26/680,296,412.88 = 304,923,507.62/x - Step 3: Cross multiply
493,155,384.26x = 680,296,412.88 × 304,923,507.62 - Step 4: Simplify right side
493,155,384.26x = 207,438,368,433,271,872 - Step 5: Solve for x
x = 207,438,368,433,271,872/493,155,384.26 - Step 6: Final answer
x = 420,634,905.46
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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.