Finding the Fourth Proportional to 2,396,239,130.69, 3,307,138,499.33 and 1,378,943,650.68
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Solution
The fourth proportional to 2,396,239,130.69, 3,307,138,499.33 and 1,378,943,650.68 is: 1,903,131,276.49
Step by Step Solution
- Step 1: Write the proportion equation
2,396,239,130.69 : 3,307,138,499.33 = 1,378,943,650.68 : x - Step 2: Convert to fraction form
2,396,239,130.69/3,307,138,499.33 = 1,378,943,650.68/x - Step 3: Cross multiply
2,396,239,130.69x = 3,307,138,499.33 × 1,378,943,650.68 - Step 4: Simplify right side
2,396,239,130.69x = 4,560,357,635,573,934,592 - Step 5: Solve for x
x = 4,560,357,635,573,934,592/2,396,239,130.69 - Step 6: Final answer
x = 1,903,131,276.49
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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.