Finding the Fourth Proportional to 2,730,868,149.60, 3,768,598,051.20 and 1,477,805,004.90
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Solution
The fourth proportional to 2,730,868,149.60, 3,768,598,051.20 and 1,477,805,004.90 is: 2,039,370,909.33
Step by Step Solution
- Step 1: Write the proportion equation
2,730,868,149.60 : 3,768,598,051.20 = 1,477,805,004.90 : x - Step 2: Convert to fraction form
2,730,868,149.60/3,768,598,051.20 = 1,477,805,004.90/x - Step 3: Cross multiply
2,730,868,149.60x = 3,768,598,051.20 × 1,477,805,004.90 - Step 4: Simplify right side
2,730,868,149.60x = 5,569,253,061,519,746,048 - Step 5: Solve for x
x = 5,569,253,061,519,746,048/2,730,868,149.60 - Step 6: Final answer
x = 2,039,370,909.33
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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.