Finding the Fourth Proportional to 259,069,607.20, 388,355,578.80 and 149,782,592.80
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Solution
The fourth proportional to 259,069,607.20, 388,355,578.80 and 149,782,592.80 is: 224,530,025.54
Step by Step Solution
- Step 1: Write the proportion equation
259,069,607.20 : 388,355,578.80 = 149,782,592.80 : x - Step 2: Convert to fraction form
259,069,607.20/388,355,578.80 = 149,782,592.80/x - Step 3: Cross multiply
259,069,607.20x = 388,355,578.80 × 149,782,592.80 - Step 4: Simplify right side
259,069,607.20x = 58,168,905,521,008,720 - Step 5: Solve for x
x = 58,168,905,521,008,720/259,069,607.20 - Step 6: Final answer
x = 224,530,025.54
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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.