Finding the Fourth Proportional to 461,890,845.18, 637,409,145.51 and 276,251,857.02
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Solution
The fourth proportional to 461,890,845.18, 637,409,145.51 and 276,251,857.02 is: 381,227,430.61
Step by Step Solution
- Step 1: Write the proportion equation
461,890,845.18 : 637,409,145.51 = 276,251,857.02 : x - Step 2: Convert to fraction form
461,890,845.18/637,409,145.51 = 276,251,857.02/x - Step 3: Cross multiply
461,890,845.18x = 637,409,145.51 × 276,251,857.02 - Step 4: Simplify right side
461,890,845.18x = 176,085,460,128,668,896 - Step 5: Solve for x
x = 176,085,460,128,668,896/461,890,845.18 - Step 6: Final answer
x = 381,227,430.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.