Finding the Fourth Proportional to 2,730,710,361.76, 3,768,386,849.76 and 1,477,660,663.60
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Solution
The fourth proportional to 2,730,710,361.76, 3,768,386,849.76 and 1,477,660,663.60 is: 2,039,175,260.44
Step by Step Solution
- Step 1: Write the proportion equation
2,730,710,361.76 : 3,768,386,849.76 = 1,477,660,663.60 : x - Step 2: Convert to fraction form
2,730,710,361.76/3,768,386,849.76 = 1,477,660,663.60/x - Step 3: Cross multiply
2,730,710,361.76x = 3,768,386,849.76 × 1,477,660,663.60 - Step 4: Simplify right side
2,730,710,361.76x = 5,568,397,013,117,875,200 - Step 5: Solve for x
x = 5,568,397,013,117,875,200/2,730,710,361.76 - Step 6: Final answer
x = 2,039,175,260.44
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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.