Finding the Fourth Proportional to 437,860,272.68, 604,246,781.93 and 247,161,438.65
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Solution
The fourth proportional to 437,860,272.68, 604,246,781.93 and 247,161,438.65 is: 341,082,562.72
Step by Step Solution
- Step 1: Write the proportion equation
437,860,272.68 : 604,246,781.93 = 247,161,438.65 : x - Step 2: Convert to fraction form
437,860,272.68/604,246,781.93 = 247,161,438.65/x - Step 3: Cross multiply
437,860,272.68x = 604,246,781.93 × 247,161,438.65 - Step 4: Simplify right side
437,860,272.68x = 149,346,503,919,048,288 - Step 5: Solve for x
x = 149,346,503,919,048,288/437,860,272.68 - Step 6: Final answer
x = 341,082,562.72
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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.