Finding the Fourth Proportional to 2,808,133,050.40, 4,212,199,575.60 and 2,114,283,680.80
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Solution
The fourth proportional to 2,808,133,050.40, 4,212,199,575.60 and 2,114,283,680.80 is: 3,171,425,521.20
Step by Step Solution
- Step 1: Write the proportion equation
2,808,133,050.40 : 4,212,199,575.60 = 2,114,283,680.80 : x - Step 2: Convert to fraction form
2,808,133,050.40/4,212,199,575.60 = 2,114,283,680.80/x - Step 3: Cross multiply
2,808,133,050.40x = 4,212,199,575.60 × 2,114,283,680.80 - Step 4: Simplify right side
2,808,133,050.40x = 8,905,784,822,963,765,248 - Step 5: Solve for x
x = 8,905,784,822,963,765,248/2,808,133,050.40 - Step 6: Final answer
x = 3,171,425,521.20
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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.