Finding the Fourth Proportional to 682,738,334.73, 942,181,774.36 and 369,472,564.08
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Solution
The fourth proportional to 682,738,334.73, 942,181,774.36 and 369,472,564.08 is: 509,873,692.88
Step by Step Solution
- Step 1: Write the proportion equation
682,738,334.73 : 942,181,774.36 = 369,472,564.08 : x - Step 2: Convert to fraction form
682,738,334.73/942,181,774.36 = 369,472,564.08/x - Step 3: Cross multiply
682,738,334.73x = 942,181,774.36 × 369,472,564.08 - Step 4: Simplify right side
682,738,334.73x = 348,110,316,001,309,504 - Step 5: Solve for x
x = 348,110,316,001,309,504/682,738,334.73 - Step 6: Final answer
x = 509,873,692.88
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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.