Finding the Fourth Proportional to 436,599,793.80, 654,899,690.70 and 207,017,281.80
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Solution
The fourth proportional to 436,599,793.80, 654,899,690.70 and 207,017,281.80 is: 310,525,922.70
Step by Step Solution
- Step 1: Write the proportion equation
436,599,793.80 : 654,899,690.70 = 207,017,281.80 : x - Step 2: Convert to fraction form
436,599,793.80/654,899,690.70 = 207,017,281.80/x - Step 3: Cross multiply
436,599,793.80x = 654,899,690.70 × 207,017,281.80 - Step 4: Simplify right side
436,599,793.80x = 135,575,553,820,374,752 - Step 5: Solve for x
x = 135,575,553,820,374,752/436,599,793.80 - Step 6: Final answer
x = 310,525,922.70
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1.5x scale
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.