Finding the Fourth Proportional to 339,254,508.99, 508,821,186.65 and 90,261,197.49
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Solution
The fourth proportional to 339,254,508.99, 508,821,186.65 and 90,261,197.49 is: 135,375,679.31
Step by Step Solution
- Step 1: Write the proportion equation
339,254,508.99 : 508,821,186.65 = 90,261,197.49 : x - Step 2: Convert to fraction form
339,254,508.99/508,821,186.65 = 90,261,197.49/x - Step 3: Cross multiply
339,254,508.99x = 508,821,186.65 × 90,261,197.49 - Step 4: Simplify right side
339,254,508.99x = 45,926,809,614,860,488 - Step 5: Solve for x
x = 45,926,809,614,860,488/339,254,508.99 - Step 6: Final answer
x = 135,375,679.31
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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.