Finding the Fourth Proportional to 2,903,188,862.80, 4,354,783,294.20 and 964,492,094.80
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Solution
The fourth proportional to 2,903,188,862.80, 4,354,783,294.20 and 964,492,094.80 is: 1,446,738,142.20
Step by Step Solution
- Step 1: Write the proportion equation
2,903,188,862.80 : 4,354,783,294.20 = 964,492,094.80 : x - Step 2: Convert to fraction form
2,903,188,862.80/4,354,783,294.20 = 964,492,094.80/x - Step 3: Cross multiply
2,903,188,862.80x = 4,354,783,294.20 × 964,492,094.80 - Step 4: Simplify right side
2,903,188,862.80x = 4,200,154,061,823,002,112 - Step 5: Solve for x
x = 4,200,154,061,823,002,112/2,903,188,862.80 - Step 6: Final answer
x = 1,446,738,142.20
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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.