Finding the Fourth Proportional to 297,793,013.80, 446,689,520.70 and 221,265,509.80
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Solution
The fourth proportional to 297,793,013.80, 446,689,520.70 and 221,265,509.80 is: 331,898,264.70
Step by Step Solution
- Step 1: Write the proportion equation
297,793,013.80 : 446,689,520.70 = 221,265,509.80 : x - Step 2: Convert to fraction form
297,793,013.80/446,689,520.70 = 221,265,509.80/x - Step 3: Cross multiply
297,793,013.80x = 446,689,520.70 × 221,265,509.80 - Step 4: Simplify right side
297,793,013.80x = 98,836,984,520,003,152 - Step 5: Solve for x
x = 98,836,984,520,003,152/297,793,013.80 - Step 6: Final answer
x = 331,898,264.70
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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.