Finding the Fourth Proportional to 2,730,381,638.94, 3,767,899,836.87 and 1,477,291,000.14
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Solution
The fourth proportional to 2,730,381,638.94, 3,767,899,836.87 and 1,477,291,000.14 is: 2,038,647,066.42
Step by Step Solution
- Step 1: Write the proportion equation
2,730,381,638.94 : 3,767,899,836.87 = 1,477,291,000.14 : x - Step 2: Convert to fraction form
2,730,381,638.94/3,767,899,836.87 = 1,477,291,000.14/x - Step 3: Cross multiply
2,730,381,638.94x = 3,767,899,836.87 × 1,477,291,000.14 - Step 4: Simplify right side
2,730,381,638.94x = 5,566,284,518,437,025,792 - Step 5: Solve for x
x = 5,566,284,518,437,025,792/2,730,381,638.94 - Step 6: Final answer
x = 2,038,647,066.42
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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.