Finding the Fourth Proportional to 310,864,137.30, 466,296,205.95 and 220,090,223.70
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Solution
The fourth proportional to 310,864,137.30, 466,296,205.95 and 220,090,223.70 is: 330,135,335.55
Step by Step Solution
- Step 1: Write the proportion equation
310,864,137.30 : 466,296,205.95 = 220,090,223.70 : x - Step 2: Convert to fraction form
310,864,137.30/466,296,205.95 = 220,090,223.70/x - Step 3: Cross multiply
310,864,137.30x = 466,296,205.95 × 220,090,223.70 - Step 4: Simplify right side
310,864,137.30x = 102,627,236,277,996,768 - Step 5: Solve for x
x = 102,627,236,277,996,768/310,864,137.30 - Step 6: Final answer
x = 330,135,335.55
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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.