Finding the Fourth Proportional to 1,664,954,187.76, 2,497,584,799.84 and 544,483,657.92
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Solution
The fourth proportional to 1,664,954,187.76, 2,497,584,799.84 and 544,483,657.92 is: 816,775,691.36
Step by Step Solution
- Step 1: Write the proportion equation
1,664,954,187.76 : 2,497,584,799.84 = 544,483,657.92 : x - Step 2: Convert to fraction form
1,664,954,187.76/2,497,584,799.84 = 544,483,657.92/x - Step 3: Cross multiply
1,664,954,187.76x = 2,497,584,799.84 × 544,483,657.92 - Step 4: Simplify right side
1,664,954,187.76x = 1,359,894,107,782,274,304 - Step 5: Solve for x
x = 1,359,894,107,782,274,304/1,664,954,187.76 - Step 6: Final answer
x = 816,775,691.36
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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.