Finding the Fourth Proportional to 482,471,920.24, 724,013,979.71 and 206,125,216.44
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Solution
The fourth proportional to 482,471,920.24, 724,013,979.71 and 206,125,216.44 is: 309,318,598.68
Step by Step Solution
- Step 1: Write the proportion equation
482,471,920.24 : 724,013,979.71 = 206,125,216.44 : x - Step 2: Convert to fraction form
482,471,920.24/724,013,979.71 = 206,125,216.44/x - Step 3: Cross multiply
482,471,920.24x = 724,013,979.71 × 206,125,216.44 - Step 4: Simplify right side
482,471,920.24x = 149,237,538,273,309,536 - Step 5: Solve for x
x = 149,237,538,273,309,536/482,471,920.24 - Step 6: Final answer
x = 309,318,598.68
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1.5x scale
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.