Finding the Fourth Proportional to 2,448,450,979.80, 3,679,842,831.30 and 2,133,131,069.40
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Solution
The fourth proportional to 2,448,450,979.80, 3,679,842,831.30 and 2,133,131,069.40 is: 3,205,940,057.09
Step by Step Solution
- Step 1: Write the proportion equation
2,448,450,979.80 : 3,679,842,831.30 = 2,133,131,069.40 : x - Step 2: Convert to fraction form
2,448,450,979.80/3,679,842,831.30 = 2,133,131,069.40/x - Step 3: Cross multiply
2,448,450,979.80x = 3,679,842,831.30 × 2,133,131,069.40 - Step 4: Simplify right side
2,448,450,979.80x = 7,849,587,073,954,893,824 - Step 5: Solve for x
x = 7,849,587,073,954,893,824/2,448,450,979.80 - Step 6: Final answer
x = 3,205,940,057.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.