Finding the Fourth Proportional to 460,221,238.88, 690,331,867.46 and 110,467,306.82
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Solution
The fourth proportional to 460,221,238.88, 690,331,867.46 and 110,467,306.82 is: 165,700,962.42
Step by Step Solution
- Step 1: Write the proportion equation
460,221,238.88 : 690,331,867.46 = 110,467,306.82 : x - Step 2: Convert to fraction form
460,221,238.88/690,331,867.46 = 110,467,306.82/x - Step 3: Cross multiply
460,221,238.88x = 690,331,867.46 × 110,467,306.82 - Step 4: Simplify right side
460,221,238.88x = 76,259,102,209,419,440 - Step 5: Solve for x
x = 76,259,102,209,419,440/460,221,238.88 - Step 6: Final answer
x = 165,700,962.42
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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.