Finding the Fourth Proportional to 2,730,710,366.28, 3,768,386,855.97 and 1,477,660,668.12
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Solution
The fourth proportional to 2,730,710,366.28, 3,768,386,855.97 and 1,477,660,668.12 is: 2,039,175,266.66
Step by Step Solution
- Step 1: Write the proportion equation
2,730,710,366.28 : 3,768,386,855.97 = 1,477,660,668.12 : x - Step 2: Convert to fraction form
2,730,710,366.28/3,768,386,855.97 = 1,477,660,668.12/x - Step 3: Cross multiply
2,730,710,366.28x = 3,768,386,855.97 × 1,477,660,668.12 - Step 4: Simplify right side
2,730,710,366.28x = 5,568,397,039,327,255,552 - Step 5: Solve for x
x = 5,568,397,039,327,255,552/2,730,710,366.28 - Step 6: Final answer
x = 2,039,175,266.66
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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.