Finding the Fourth Proportional to 341,397,107.70, 512,095,661.55 and 255,303,665.70
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Solution
The fourth proportional to 341,397,107.70, 512,095,661.55 and 255,303,665.70 is: 382,955,498.55
Step by Step Solution
- Step 1: Write the proportion equation
341,397,107.70 : 512,095,661.55 = 255,303,665.70 : x - Step 2: Convert to fraction form
341,397,107.70/512,095,661.55 = 255,303,665.70/x - Step 3: Cross multiply
341,397,107.70x = 512,095,661.55 × 255,303,665.70 - Step 4: Simplify right side
341,397,107.70x = 130,739,899,582,781,536 - Step 5: Solve for x
x = 130,739,899,582,781,536/341,397,107.70 - Step 6: Final answer
x = 382,955,498.55
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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.