Finding the Fourth Proportional to 888,612,174.12, 1,226,288,896.80 and 492,126,851.70
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Solution
The fourth proportional to 888,612,174.12, 1,226,288,896.80 and 492,126,851.70 is: 679,137,324.06
Step by Step Solution
- Step 1: Write the proportion equation
888,612,174.12 : 1,226,288,896.80 = 492,126,851.70 : x - Step 2: Convert to fraction form
888,612,174.12/1,226,288,896.80 = 492,126,851.70/x - Step 3: Cross multiply
888,612,174.12x = 1,226,288,896.80 × 492,126,851.70 - Step 4: Simplify right side
888,612,174.12x = 603,489,694,056,850,176 - Step 5: Solve for x
x = 603,489,694,056,850,176/888,612,174.12 - Step 6: Final answer
x = 679,137,324.06
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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.