Finding the Fourth Proportional to 858,620,566.70, 1,287,930,850.05 and 586,522,774.70
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Solution
The fourth proportional to 858,620,566.70, 1,287,930,850.05 and 586,522,774.70 is: 879,784,162.05
Step by Step Solution
- Step 1: Write the proportion equation
858,620,566.70 : 1,287,930,850.05 = 586,522,774.70 : x - Step 2: Convert to fraction form
858,620,566.70/1,287,930,850.05 = 586,522,774.70/x - Step 3: Cross multiply
858,620,566.70x = 1,287,930,850.05 × 586,522,774.70 - Step 4: Simplify right side
858,620,566.70x = 755,400,775,793,055,616 - Step 5: Solve for x
x = 755,400,775,793,055,616/858,620,566.70 - Step 6: Final answer
x = 879,784,162.05
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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.