Finding the Fourth Proportional to 775,810,187.24, 1,070,640,755.94 and 423,408,780.52
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Solution
The fourth proportional to 775,810,187.24, 1,070,640,755.94 and 423,408,780.52 is: 584,316,504.61
Step by Step Solution
- Step 1: Write the proportion equation
775,810,187.24 : 1,070,640,755.94 = 423,408,780.52 : x - Step 2: Convert to fraction form
775,810,187.24/1,070,640,755.94 = 423,408,780.52/x - Step 3: Cross multiply
775,810,187.24x = 1,070,640,755.94 × 423,408,780.52 - Step 4: Simplify right side
775,810,187.24x = 453,318,696,847,566,336 - Step 5: Solve for x
x = 453,318,696,847,566,336/775,810,187.24 - Step 6: Final answer
x = 584,316,504.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.