Finding the Fourth Proportional to 4,659,684,197.76, 6,989,552,426.17 and 1,554,258,315.42
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Solution
The fourth proportional to 4,659,684,197.76, 6,989,552,426.17 and 1,554,258,315.42 is: 2,331,396,188.75
Step by Step Solution
- Step 1: Write the proportion equation
4,659,684,197.76 : 6,989,552,426.17 = 1,554,258,315.42 : x - Step 2: Convert to fraction form
4,659,684,197.76/6,989,552,426.17 = 1,554,258,315.42/x - Step 3: Cross multiply
4,659,684,197.76x = 6,989,552,426.17 × 1,554,258,315.42 - Step 4: Simplify right side
4,659,684,197.76x = 10,863,569,979,438,757,888 - Step 5: Solve for x
x = 10,863,569,979,438,757,888/4,659,684,197.76 - Step 6: Final answer
x = 2,331,396,188.75
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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.