Finding the Fourth Proportional to 436,589,327.70, 654,883,991.55 and 207,006,815.70
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Solution
The fourth proportional to 436,589,327.70, 654,883,991.55 and 207,006,815.70 is: 310,510,223.55
Step by Step Solution
- Step 1: Write the proportion equation
436,589,327.70 : 654,883,991.55 = 207,006,815.70 : x - Step 2: Convert to fraction form
436,589,327.70/654,883,991.55 = 207,006,815.70/x - Step 3: Cross multiply
436,589,327.70x = 654,883,991.55 × 207,006,815.70 - Step 4: Simplify right side
436,589,327.70x = 135,565,449,743,671,184 - Step 5: Solve for x
x = 135,565,449,743,671,184/436,589,327.70 - Step 6: Final answer
x = 310,510,223.55
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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.