Finding the Fourth Proportional to 2,396,239,130.94, 3,307,138,499.68 and 1,378,943,650.93
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Solution
The fourth proportional to 2,396,239,130.94, 3,307,138,499.68 and 1,378,943,650.93 is: 1,903,131,276.84
Step by Step Solution
- Step 1: Write the proportion equation
2,396,239,130.94 : 3,307,138,499.68 = 1,378,943,650.93 : x - Step 2: Convert to fraction form
2,396,239,130.94/3,307,138,499.68 = 1,378,943,650.93/x - Step 3: Cross multiply
2,396,239,130.94x = 3,307,138,499.68 × 1,378,943,650.93 - Step 4: Simplify right side
2,396,239,130.94x = 4,560,357,636,879,901,696 - Step 5: Solve for x
x = 4,560,357,636,879,901,696/2,396,239,130.94 - Step 6: Final answer
x = 1,903,131,276.84
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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.