Finding the Fourth Proportional to 804,301,676.80, 1,206,452,515.20 and 569,617,331.20
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Solution
The fourth proportional to 804,301,676.80, 1,206,452,515.20 and 569,617,331.20 is: 854,425,996.80
Step by Step Solution
- Step 1: Write the proportion equation
804,301,676.80 : 1,206,452,515.20 = 569,617,331.20 : x - Step 2: Convert to fraction form
804,301,676.80/1,206,452,515.20 = 569,617,331.20/x - Step 3: Cross multiply
804,301,676.80x = 1,206,452,515.20 × 569,617,331.20 - Step 4: Simplify right side
804,301,676.80x = 687,216,261,927,751,552 - Step 5: Solve for x
x = 687,216,261,927,751,552/804,301,676.80 - Step 6: Final answer
x = 854,425,996.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.