Finding the Fourth Proportional to 1,475,416,340.72, 2,036,076,534.24 and 848,872,202.30
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Solution
The fourth proportional to 1,475,416,340.72, 2,036,076,534.24 and 848,872,202.30 is: 1,171,444,780.68
Step by Step Solution
- Step 1: Write the proportion equation
1,475,416,340.72 : 2,036,076,534.24 = 848,872,202.30 : x - Step 2: Convert to fraction form
1,475,416,340.72/2,036,076,534.24 = 848,872,202.30/x - Step 3: Cross multiply
1,475,416,340.72x = 2,036,076,534.24 × 848,872,202.30 - Step 4: Simplify right side
1,475,416,340.72x = 1,728,368,771,671,660,032 - Step 5: Solve for x
x = 1,728,368,771,671,660,032/1,475,416,340.72 - Step 6: Final answer
x = 1,171,444,780.68
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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.