Finding the Fourth Proportional to 334,625,873.76, 501,723,985.68 and 129,935,841.12
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Solution
The fourth proportional to 334,625,873.76, 501,723,985.68 and 129,935,841.12 is: 194,820,344.75
Step by Step Solution
- Step 1: Write the proportion equation
334,625,873.76 : 501,723,985.68 = 129,935,841.12 : x - Step 2: Convert to fraction form
334,625,873.76/501,723,985.68 = 129,935,841.12/x - Step 3: Cross multiply
334,625,873.76x = 501,723,985.68 × 129,935,841.12 - Step 4: Simplify right side
334,625,873.76x = 65,191,928,089,409,640 - Step 5: Solve for x
x = 65,191,928,089,409,640/334,625,873.76 - Step 6: Final answer
x = 194,820,344.75
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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.