Finding the Fourth Proportional to 410,422,306.16, 616,247,771.79 and 355,261,221.49
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Solution
The fourth proportional to 410,422,306.16, 616,247,771.79 and 355,261,221.49 is: 533,423,580.69
Step by Step Solution
- Step 1: Write the proportion equation
410,422,306.16 : 616,247,771.79 = 355,261,221.49 : x - Step 2: Convert to fraction form
410,422,306.16/616,247,771.79 = 355,261,221.49/x - Step 3: Cross multiply
410,422,306.16x = 616,247,771.79 × 355,261,221.49 - Step 4: Simplify right side
410,422,306.16x = 218,928,936,145,065,536 - Step 5: Solve for x
x = 218,928,936,145,065,536/410,422,306.16 - Step 6: Final answer
x = 533,423,580.69
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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.