Finding the Fourth Proportional to 7,213,386,995.98, 10,812,528,700.95 and 3,018,743,112.02
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Solution
The fourth proportional to 7,213,386,995.98, 10,812,528,700.95 and 3,018,743,112.02 is: 4,524,954,304.78
Step by Step Solution
- Step 1: Write the proportion equation
7,213,386,995.98 : 10,812,528,700.95 = 3,018,743,112.02 : x - Step 2: Convert to fraction form
7,213,386,995.98/10,812,528,700.95 = 3,018,743,112.02/x - Step 3: Cross multiply
7,213,386,995.98x = 10,812,528,700.95 × 3,018,743,112.02 - Step 4: Simplify right side
7,213,386,995.98x = 32,640,246,539,469,381,632 - Step 5: Solve for x
x = 32,640,246,539,469,381,632/7,213,386,995.98 - Step 6: Final answer
x = 4,524,954,304.78
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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.