Finding the Fourth Proportional to 2,519,433,043.10, 3,779,149,564.65 and 1,294,992,979.10
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Solution
The fourth proportional to 2,519,433,043.10, 3,779,149,564.65 and 1,294,992,979.10 is: 1,942,489,468.65
Step by Step Solution
- Step 1: Write the proportion equation
2,519,433,043.10 : 3,779,149,564.65 = 1,294,992,979.10 : x - Step 2: Convert to fraction form
2,519,433,043.10/3,779,149,564.65 = 1,294,992,979.10/x - Step 3: Cross multiply
2,519,433,043.10x = 3,779,149,564.65 × 1,294,992,979.10 - Step 4: Simplify right side
2,519,433,043.10x = 4,893,972,153,190,571,008 - Step 5: Solve for x
x = 4,893,972,153,190,571,008/2,519,433,043.10 - Step 6: Final answer
x = 1,942,489,468.65
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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.