Finding the Fourth Proportional to 2,087,991,512.36, 2,881,443,276.61 and 1,135,365,423.80
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Solution
The fourth proportional to 2,087,991,512.36, 2,881,443,276.61 and 1,135,365,423.80 is: 1,566,812,435.56
Step by Step Solution
- Step 1: Write the proportion equation
2,087,991,512.36 : 2,881,443,276.61 = 1,135,365,423.80 : x - Step 2: Convert to fraction form
2,087,991,512.36/2,881,443,276.61 = 1,135,365,423.80/x - Step 3: Cross multiply
2,087,991,512.36x = 2,881,443,276.61 × 1,135,365,423.80 - Step 4: Simplify right side
2,087,991,512.36x = 3,271,491,066,908,452,352 - Step 5: Solve for x
x = 3,271,491,066,908,452,352/2,087,991,512.36 - Step 6: Final answer
x = 1,566,812,435.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.