Finding the Fourth Proportional to 2,517,697,220.80, 3,776,545,831.20 and 1,429,306,052.80
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Solution
The fourth proportional to 2,517,697,220.80, 3,776,545,831.20 and 1,429,306,052.80 is: 2,143,959,079.20
Step by Step Solution
- Step 1: Write the proportion equation
2,517,697,220.80 : 3,776,545,831.20 = 1,429,306,052.80 : x - Step 2: Convert to fraction form
2,517,697,220.80/3,776,545,831.20 = 1,429,306,052.80/x - Step 3: Cross multiply
2,517,697,220.80x = 3,776,545,831.20 × 1,429,306,052.80 - Step 4: Simplify right side
2,517,697,220.80x = 5,397,839,815,210,766,336 - Step 5: Solve for x
x = 5,397,839,815,210,766,336/2,517,697,220.80 - Step 6: Final answer
x = 2,143,959,079.20
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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.