Finding the Fourth Proportional to 1,439,598,850.80, 2,159,398,276.20 and 1,326,224,770.80
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Solution
The fourth proportional to 1,439,598,850.80, 2,159,398,276.20 and 1,326,224,770.80 is: 1,989,337,156.20
Step by Step Solution
- Step 1: Write the proportion equation
1,439,598,850.80 : 2,159,398,276.20 = 1,326,224,770.80 : x - Step 2: Convert to fraction form
1,439,598,850.80/2,159,398,276.20 = 1,326,224,770.80/x - Step 3: Cross multiply
1,439,598,850.80x = 2,159,398,276.20 × 1,326,224,770.80 - Step 4: Simplify right side
1,439,598,850.80x = 2,863,847,483,919,259,648 - Step 5: Solve for x
x = 2,863,847,483,919,259,648/1,439,598,850.80 - Step 6: Final answer
x = 1,989,337,156.20
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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.