Finding the Fourth Proportional to 2,730,710,369.80, 3,768,386,860.80 and 1,477,660,671.64
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Solution
The fourth proportional to 2,730,710,369.80, 3,768,386,860.80 and 1,477,660,671.64 is: 2,039,175,271.50
Step by Step Solution
- Step 1: Write the proportion equation
2,730,710,369.80 : 3,768,386,860.80 = 1,477,660,671.64 : x - Step 2: Convert to fraction form
2,730,710,369.80/3,768,386,860.80 = 1,477,660,671.64/x - Step 3: Cross multiply
2,730,710,369.80x = 3,768,386,860.80 × 1,477,660,671.64 - Step 4: Simplify right side
2,730,710,369.80x = 5,568,397,059,729,080,320 - Step 5: Solve for x
x = 5,568,397,059,729,080,320/2,730,710,369.80 - Step 6: Final answer
x = 2,039,175,271.50
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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.