Finding the Fourth Proportional to 2,730,710,358.78, 3,768,386,845.62 and 1,477,660,660.62
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Solution
The fourth proportional to 2,730,710,358.78, 3,768,386,845.62 and 1,477,660,660.62 is: 2,039,175,256.31
Step by Step Solution
- Step 1: Write the proportion equation
2,730,710,358.78 : 3,768,386,845.62 = 1,477,660,660.62 : x - Step 2: Convert to fraction form
2,730,710,358.78/3,768,386,845.62 = 1,477,660,660.62/x - Step 3: Cross multiply
2,730,710,358.78x = 3,768,386,845.62 × 1,477,660,660.62 - Step 4: Simplify right side
2,730,710,358.78x = 5,568,396,995,770,566,656 - Step 5: Solve for x
x = 5,568,396,995,770,566,656/2,730,710,358.78 - Step 6: Final answer
x = 2,039,175,256.31
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1.5x scale
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.