Finding the Fourth Proportional to 532,440,218.20, 798,660,327.30 and 187,447,091.80
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Solution
The fourth proportional to 532,440,218.20, 798,660,327.30 and 187,447,091.80 is: 281,170,637.70
Step by Step Solution
- Step 1: Write the proportion equation
532,440,218.20 : 798,660,327.30 = 187,447,091.80 : x - Step 2: Convert to fraction form
532,440,218.20/798,660,327.30 = 187,447,091.80/x - Step 3: Cross multiply
532,440,218.20x = 798,660,327.30 × 187,447,091.80 - Step 4: Simplify right side
532,440,218.20x = 149,706,555,688,421,152 - Step 5: Solve for x
x = 149,706,555,688,421,152/532,440,218.20 - Step 6: Final answer
x = 281,170,637.70
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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.