Finding the Fourth Proportional to 6,418,384,153.74, 9,628,236,628.88 and 2,221,329,603.47
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Solution
The fourth proportional to 6,418,384,153.74, 9,628,236,628.88 and 2,221,329,603.47 is: 3,332,222,961.51
Step by Step Solution
- Step 1: Write the proportion equation
6,418,384,153.74 : 9,628,236,628.88 = 2,221,329,603.47 : x - Step 2: Convert to fraction form
6,418,384,153.74/9,628,236,628.88 = 2,221,329,603.47/x - Step 3: Cross multiply
6,418,384,153.74x = 9,628,236,628.88 × 2,221,329,603.47 - Step 4: Simplify right side
6,418,384,153.74x = 21,387,487,052,886,540,288 - Step 5: Solve for x
x = 21,387,487,052,886,540,288/6,418,384,153.74 - Step 6: Final answer
x = 3,332,222,961.51
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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.