Finding the Fourth Proportional to 2,782,043,899.20, 4,173,065,848.80 and 1,492,098,811.20
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Solution
The fourth proportional to 2,782,043,899.20, 4,173,065,848.80 and 1,492,098,811.20 is: 2,238,148,216.80
Step by Step Solution
- Step 1: Write the proportion equation
2,782,043,899.20 : 4,173,065,848.80 = 1,492,098,811.20 : x - Step 2: Convert to fraction form
2,782,043,899.20/4,173,065,848.80 = 1,492,098,811.20/x - Step 3: Cross multiply
2,782,043,899.20x = 4,173,065,848.80 × 1,492,098,811.20 - Step 4: Simplify right side
2,782,043,899.20x = 6,226,626,592,053,799,936 - Step 5: Solve for x
x = 6,226,626,592,053,799,936/2,782,043,899.20 - Step 6: Final answer
x = 2,238,148,216.80
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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.