Finding the Fourth Proportional to 472,533,340.80, 708,587,434.80 and 181,303,672.80
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Solution
The fourth proportional to 472,533,340.80, 708,587,434.80 and 181,303,672.80 is: 271,873,946.95
Step by Step Solution
- Step 1: Write the proportion equation
472,533,340.80 : 708,587,434.80 = 181,303,672.80 : x - Step 2: Convert to fraction form
472,533,340.80/708,587,434.80 = 181,303,672.80/x - Step 3: Cross multiply
472,533,340.80x = 708,587,434.80 × 181,303,672.80 - Step 4: Simplify right side
472,533,340.80x = 128,469,504,429,170,528 - Step 5: Solve for x
x = 128,469,504,429,170,528/472,533,340.80 - Step 6: Final answer
x = 271,873,946.95
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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.