Finding the Fourth Proportional to 342,354,639.25, 472,449,402.21 and 195,680,072.53
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Solution
The fourth proportional to 342,354,639.25, 472,449,402.21 and 195,680,072.53 is: 270,038,500.12
Step by Step Solution
- Step 1: Write the proportion equation
342,354,639.25 : 472,449,402.21 = 195,680,072.53 : x - Step 2: Convert to fraction form
342,354,639.25/472,449,402.21 = 195,680,072.53/x - Step 3: Cross multiply
342,354,639.25x = 472,449,402.21 × 195,680,072.53 - Step 4: Simplify right side
342,354,639.25x = 92,448,933,291,207,936 - Step 5: Solve for x
x = 92,448,933,291,207,936/342,354,639.25 - Step 6: Final answer
x = 270,038,500.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.