Finding the Fourth Proportional to 2,730,996,155.04, 3,768,786,569.28 and 1,477,933,120.96
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Solution
The fourth proportional to 2,730,996,155.04, 3,768,786,569.28 and 1,477,933,120.96 is: 2,039,554,133.49
Step by Step Solution
- Step 1: Write the proportion equation
2,730,996,155.04 : 3,768,786,569.28 = 1,477,933,120.96 : x - Step 2: Convert to fraction form
2,730,996,155.04/3,768,786,569.28 = 1,477,933,120.96/x - Step 3: Cross multiply
2,730,996,155.04x = 3,768,786,569.28 × 1,477,933,120.96 - Step 4: Simplify right side
2,730,996,155.04x = 5,570,014,496,568,122,368 - Step 5: Solve for x
x = 5,570,014,496,568,122,368/2,730,996,155.04 - Step 6: Final answer
x = 2,039,554,133.49
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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.