Finding the Fourth Proportional to 1,858,483,649.79, 2,787,802,408.56 and 548,385,677.28
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Solution
The fourth proportional to 1,858,483,649.79, 2,787,802,408.56 and 548,385,677.28 is: 822,601,216.92
Step by Step Solution
- Step 1: Write the proportion equation
1,858,483,649.79 : 2,787,802,408.56 = 548,385,677.28 : x - Step 2: Convert to fraction form
1,858,483,649.79/2,787,802,408.56 = 548,385,677.28/x - Step 3: Cross multiply
1,858,483,649.79x = 2,787,802,408.56 × 548,385,677.28 - Step 4: Simplify right side
1,858,483,649.79x = 1,528,790,911,940,990,720 - Step 5: Solve for x
x = 1,528,790,911,940,990,720/1,858,483,649.79 - Step 6: Final answer
x = 822,601,216.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.