Finding the Fourth Proportional to 5,392,303,315.20, 8,088,454,972.80 and 2,119,664,851.20
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Solution
The fourth proportional to 5,392,303,315.20, 8,088,454,972.80 and 2,119,664,851.20 is: 3,179,497,276.80
Step by Step Solution
- Step 1: Write the proportion equation
5,392,303,315.20 : 8,088,454,972.80 = 2,119,664,851.20 : x - Step 2: Convert to fraction form
5,392,303,315.20/8,088,454,972.80 = 2,119,664,851.20/x - Step 3: Cross multiply
5,392,303,315.20x = 8,088,454,972.80 × 2,119,664,851.20 - Step 4: Simplify right side
5,392,303,315.20x = 17,144,813,706,358,011,904 - Step 5: Solve for x
x = 17,144,813,706,358,011,904/5,392,303,315.20 - Step 6: Final answer
x = 3,179,497,276.80
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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.