Finding the Fourth Proportional to 355,290,701.70, 532,936,052.55 and 269,197,259.70
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Solution
The fourth proportional to 355,290,701.70, 532,936,052.55 and 269,197,259.70 is: 403,795,889.55
Step by Step Solution
- Step 1: Write the proportion equation
355,290,701.70 : 532,936,052.55 = 269,197,259.70 : x - Step 2: Convert to fraction form
355,290,701.70/532,936,052.55 = 269,197,259.70/x - Step 3: Cross multiply
355,290,701.70x = 532,936,052.55 × 269,197,259.70 - Step 4: Simplify right side
355,290,701.70x = 143,464,924,941,795,200 - Step 5: Solve for x
x = 143,464,924,941,795,200/355,290,701.70 - Step 6: Final answer
x = 403,795,889.55
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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.