Finding the Fourth Proportional to 1,183,639,315.44, 1,776,160,377 and 659,447,170.80
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Solution
The fourth proportional to 1,183,639,315.44, 1,776,160,377 and 659,447,170.80 is: 989,561,532.99
Step by Step Solution
- Step 1: Write the proportion equation
1,183,639,315.44 : 1,776,160,377 = 659,447,170.80 : x - Step 2: Convert to fraction form
1,183,639,315.44/1,776,160,377 = 659,447,170.80/x - Step 3: Cross multiply
1,183,639,315.44x = 1,776,160,377 × 659,447,170.80 - Step 4: Simplify right side
1,183,639,315.44x = 1,171,283,935,499,711,232 - Step 5: Solve for x
x = 1,171,283,935,499,711,232/1,183,639,315.44 - Step 6: Final answer
x = 989,561,532.99
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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.