Finding the Fourth Proportional to 351,954,830.40, 528,121,202.40 and 147,503,572.80
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Solution
The fourth proportional to 351,954,830.40, 528,121,202.40 and 147,503,572.80 is: 221,334,550.62
Step by Step Solution
- Step 1: Write the proportion equation
351,954,830.40 : 528,121,202.40 = 147,503,572.80 : x - Step 2: Convert to fraction form
351,954,830.40/528,121,202.40 = 147,503,572.80/x - Step 3: Cross multiply
351,954,830.40x = 528,121,202.40 × 147,503,572.80 - Step 4: Simplify right side
351,954,830.40x = 77,899,764,225,431,936 - Step 5: Solve for x
x = 77,899,764,225,431,936/351,954,830.40 - Step 6: Final answer
x = 221,334,550.62
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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.