Finding the Fourth Proportional to 4,268,479,937.20, 6,402,719,905.80 and 3,542,885,825.20
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Solution
The fourth proportional to 4,268,479,937.20, 6,402,719,905.80 and 3,542,885,825.20 is: 5,314,328,737.80
Step by Step Solution
- Step 1: Write the proportion equation
4,268,479,937.20 : 6,402,719,905.80 = 3,542,885,825.20 : x - Step 2: Convert to fraction form
4,268,479,937.20/6,402,719,905.80 = 3,542,885,825.20/x - Step 3: Cross multiply
4,268,479,937.20x = 6,402,719,905.80 × 3,542,885,825.20 - Step 4: Simplify right side
4,268,479,937.20x = 22,684,105,596,984,696,832 - Step 5: Solve for x
x = 22,684,105,596,984,696,832/4,268,479,937.20 - Step 6: Final answer
x = 5,314,328,737.80
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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.