Finding the Fourth Proportional to 7,509,639,436.20, 11,268,490,232.70 and 3,148,012,607.40
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Solution
The fourth proportional to 7,509,639,436.20, 11,268,490,232.70 and 3,148,012,607.40 is: 4,723,708,724.00
Step by Step Solution
- Step 1: Write the proportion equation
7,509,639,436.20 : 11,268,490,232.70 = 3,148,012,607.40 : x - Step 2: Convert to fraction form
7,509,639,436.20/11,268,490,232.70 = 3,148,012,607.40/x - Step 3: Cross multiply
7,509,639,436.20x = 11,268,490,232.70 × 3,148,012,607.40 - Step 4: Simplify right side
7,509,639,436.20x = 35,473,349,318,903,361,536 - Step 5: Solve for x
x = 35,473,349,318,903,361,536/7,509,639,436.20 - Step 6: Final answer
x = 4,723,708,724.00
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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.