Finding the Fourth Proportional to 1,623,043,183.12, 2,436,139,084.62 and 783,276,905.80
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Solution
The fourth proportional to 1,623,043,183.12, 2,436,139,084.62 and 783,276,905.80 is: 1,175,675,117.05
Step by Step Solution
- Step 1: Write the proportion equation
1,623,043,183.12 : 2,436,139,084.62 = 783,276,905.80 : x - Step 2: Convert to fraction form
1,623,043,183.12/2,436,139,084.62 = 783,276,905.80/x - Step 3: Cross multiply
1,623,043,183.12x = 2,436,139,084.62 × 783,276,905.80 - Step 4: Simplify right side
1,623,043,183.12x = 1,908,171,484,299,597,824 - Step 5: Solve for x
x = 1,908,171,484,299,597,824/1,623,043,183.12 - Step 6: Final answer
x = 1,175,675,117.05
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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.