Finding the Fourth Proportional to 13,255,756,934,937, 18,290,291,497,651 and 7,401,963,495,217.80
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Solution
The fourth proportional to 13,255,756,934,937, 18,290,291,497,651 and 7,401,963,495,217.80 is: 10,213,228,157,924.78
Step by Step Solution
- Step 1: Write the proportion equation
13,255,756,934,937 : 18,290,291,497,651 = 7,401,963,495,217.80 : x - Step 2: Convert to fraction form
13,255,756,934,937/18,290,291,497,651 = 7,401,963,495,217.80/x - Step 3: Cross multiply
13,255,756,934,937x = 18,290,291,497,651 × 7,401,963,495,217.80 - Step 4: Simplify right side
13,255,756,934,937x = 135,384,069,982,505,199,716,007,936 - Step 5: Solve for x
x = 135,384,069,982,505,199,716,007,936/13,255,756,934,937 - Step 6: Final answer
x = 10,213,228,157,924.78
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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.