Finding the Fourth Proportional to 6,639,115,737.88, 9,955,838,891.13 and 3,843,014,289.31
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Solution
The fourth proportional to 6,639,115,737.88, 9,955,838,891.13 and 3,843,014,289.31 is: 5,762,880,574.95
Step by Step Solution
- Step 1: Write the proportion equation
6,639,115,737.88 : 9,955,838,891.13 = 3,843,014,289.31 : x - Step 2: Convert to fraction form
6,639,115,737.88/9,955,838,891.13 = 3,843,014,289.31/x - Step 3: Cross multiply
6,639,115,737.88x = 9,955,838,891.13 × 3,843,014,289.31 - Step 4: Simplify right side
6,639,115,737.88x = 38,260,431,120,680,812,544 - Step 5: Solve for x
x = 38,260,431,120,680,812,544/6,639,115,737.88 - Step 6: Final answer
x = 5,762,880,574.95
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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.