Finding the Fourth Proportional to 864,921,588.66, 1,193,611,064.85 and 493,636,170.42
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Solution
The fourth proportional to 864,921,588.66, 1,193,611,064.85 and 493,636,170.42 is: 681,228,914.56
Step by Step Solution
- Step 1: Write the proportion equation
864,921,588.66 : 1,193,611,064.85 = 493,636,170.42 : x - Step 2: Convert to fraction form
864,921,588.66/1,193,611,064.85 = 493,636,170.42/x - Step 3: Cross multiply
864,921,588.66x = 1,193,611,064.85 × 493,636,170.42 - Step 4: Simplify right side
864,921,588.66x = 589,209,595,023,492,224 - Step 5: Solve for x
x = 589,209,595,023,492,224/864,921,588.66 - Step 6: Final answer
x = 681,228,914.56
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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.