Finding the Fourth Proportional to 53,187,451,068.43, 73,398,138,278.67 and 29,425,831,137.55
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Solution
The fourth proportional to 53,187,451,068.43, 73,398,138,278.67 and 29,425,831,137.55 is: 40,607,345,894.80
Step by Step Solution
- Step 1: Write the proportion equation
53,187,451,068.43 : 73,398,138,278.67 = 29,425,831,137.55 : x - Step 2: Convert to fraction form
53,187,451,068.43/73,398,138,278.67 = 29,425,831,137.55/x - Step 3: Cross multiply
53,187,451,068.43x = 73,398,138,278.67 × 29,425,831,137.55 - Step 4: Simplify right side
53,187,451,068.43x = 2,159,801,222,798,173,798,400 - Step 5: Solve for x
x = 2,159,801,222,798,173,798,400/53,187,451,068.43 - Step 6: Final answer
x = 40,607,345,894.80
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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.