Finding the Fourth Proportional to 3,102,972,216.05, 4,282,192,089.75 and 1,693,366,973.99
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Solution
The fourth proportional to 3,102,972,216.05, 4,282,192,089.75 and 1,693,366,973.99 is: 2,336,895,774.82
Step by Step Solution
- Step 1: Write the proportion equation
3,102,972,216.05 : 4,282,192,089.75 = 1,693,366,973.99 : x - Step 2: Convert to fraction form
3,102,972,216.05/4,282,192,089.75 = 1,693,366,973.99/x - Step 3: Cross multiply
3,102,972,216.05x = 4,282,192,089.75 × 1,693,366,973.99 - Step 4: Simplify right side
3,102,972,216.05x = 7,251,322,661,063,872,512 - Step 5: Solve for x
x = 7,251,322,661,063,872,512/3,102,972,216.05 - Step 6: Final answer
x = 2,336,895,774.82
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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.