Finding the Fourth Proportional to 3,071,679,247.62, 4,238,887,183.74 and 1,661,952,278.97
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Solution
The fourth proportional to 3,071,679,247.62, 4,238,887,183.74 and 1,661,952,278.97 is: 2,293,477,816.99
Step by Step Solution
- Step 1: Write the proportion equation
3,071,679,247.62 : 4,238,887,183.74 = 1,661,952,278.97 : x - Step 2: Convert to fraction form
3,071,679,247.62/4,238,887,183.74 = 1,661,952,278.97/x - Step 3: Cross multiply
3,071,679,247.62x = 4,238,887,183.74 × 1,661,952,278.97 - Step 4: Simplify right side
3,071,679,247.62x = 7,044,828,215,313,418,240 - Step 5: Solve for x
x = 7,044,828,215,313,418,240/3,071,679,247.62 - Step 6: Final answer
x = 2,293,477,816.99
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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.