Finding the Fourth Proportional to 1,515,691,069.38, 2,273,616,896.28 and 467,149,454.62
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Solution
The fourth proportional to 1,515,691,069.38, 2,273,616,896.28 and 467,149,454.62 is: 700,748,928.70
Step by Step Solution
- Step 1: Write the proportion equation
1,515,691,069.38 : 2,273,616,896.28 = 467,149,454.62 : x - Step 2: Convert to fraction form
1,515,691,069.38/2,273,616,896.28 = 467,149,454.62/x - Step 3: Cross multiply
1,515,691,069.38x = 2,273,616,896.28 × 467,149,454.62 - Step 4: Simplify right side
1,515,691,069.38x = 1,062,118,893,112,019,200 - Step 5: Solve for x
x = 1,062,118,893,112,019,200/1,515,691,069.38 - Step 6: Final answer
x = 700,748,928.70
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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.