Finding the Fourth Proportional to 3,975,966,874.80, 5,963,950,312.20 and 1,764,322,009.20
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Solution
The fourth proportional to 3,975,966,874.80, 5,963,950,312.20 and 1,764,322,009.20 is: 2,646,483,013.80
Step by Step Solution
- Step 1: Write the proportion equation
3,975,966,874.80 : 5,963,950,312.20 = 1,764,322,009.20 : x - Step 2: Convert to fraction form
3,975,966,874.80/5,963,950,312.20 = 1,764,322,009.20/x - Step 3: Cross multiply
3,975,966,874.80x = 5,963,950,312.20 × 1,764,322,009.20 - Step 4: Simplify right side
3,975,966,874.80x = 10,522,328,797,589,671,936 - Step 5: Solve for x
x = 10,522,328,797,589,671,936/3,975,966,874.80 - Step 6: Final answer
x = 2,646,483,013.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.