Finding the Fourth Proportional to 472,393,081.30, 708,589,621.95 and 441,782,079.70
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Solution
The fourth proportional to 472,393,081.30, 708,589,621.95 and 441,782,079.70 is: 662,673,119.55
Step by Step Solution
- Step 1: Write the proportion equation
472,393,081.30 : 708,589,621.95 = 441,782,079.70 : x - Step 2: Convert to fraction form
472,393,081.30/708,589,621.95 = 441,782,079.70/x - Step 3: Cross multiply
472,393,081.30x = 708,589,621.95 × 441,782,079.70 - Step 4: Simplify right side
472,393,081.30x = 313,042,196,838,907,776 - Step 5: Solve for x
x = 313,042,196,838,907,776/472,393,081.30 - Step 6: Final answer
x = 662,673,119.55
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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.