Finding the Fourth Proportional to 904,690,244.44, 1,248,525,866.41 and 681,277,762.45
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Solution
The fourth proportional to 904,690,244.44, 1,248,525,866.41 and 681,277,762.45 is: 940,203,471.69
Step by Step Solution
- Step 1: Write the proportion equation
904,690,244.44 : 1,248,525,866.41 = 681,277,762.45 : x - Step 2: Convert to fraction form
904,690,244.44/1,248,525,866.41 = 681,277,762.45/x - Step 3: Cross multiply
904,690,244.44x = 1,248,525,866.41 × 681,277,762.45 - Step 4: Simplify right side
904,690,244.44x = 850,592,908,623,927,936 - Step 5: Solve for x
x = 850,592,908,623,927,936/904,690,244.44 - Step 6: Final answer
x = 940,203,471.69
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Double scale
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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.