Finding the Fourth Proportional to 2,113,203,011.60, 3,169,804,517.40 and 1,327,520,637.20
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Solution
The fourth proportional to 2,113,203,011.60, 3,169,804,517.40 and 1,327,520,637.20 is: 1,991,280,955.80
Step by Step Solution
- Step 1: Write the proportion equation
2,113,203,011.60 : 3,169,804,517.40 = 1,327,520,637.20 : x - Step 2: Convert to fraction form
2,113,203,011.60/3,169,804,517.40 = 1,327,520,637.20/x - Step 3: Cross multiply
2,113,203,011.60x = 3,169,804,517.40 × 1,327,520,637.20 - Step 4: Simplify right side
2,113,203,011.60x = 4,207,980,912,738,286,592 - Step 5: Solve for x
x = 4,207,980,912,738,286,592/2,113,203,011.60 - Step 6: Final answer
x = 1,991,280,955.80
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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.