Finding the Fourth Proportional to 2,448,451,044.80, 3,679,842,928.80 and 2,133,131,134.40
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Solution
The fourth proportional to 2,448,451,044.80, 3,679,842,928.80 and 2,133,131,134.40 is: 3,205,940,154.61
Step by Step Solution
- Step 1: Write the proportion equation
2,448,451,044.80 : 3,679,842,928.80 = 2,133,131,134.40 : x - Step 2: Convert to fraction form
2,448,451,044.80/3,679,842,928.80 = 2,133,131,134.40/x - Step 3: Cross multiply
2,448,451,044.80x = 3,679,842,928.80 × 2,133,131,134.40 - Step 4: Simplify right side
2,448,451,044.80x = 7,849,587,521,124,963,328 - Step 5: Solve for x
x = 7,849,587,521,124,963,328/2,448,451,044.80 - Step 6: Final answer
x = 3,205,940,154.61
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1.5x scale
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.