Finding the Fourth Proportional to 867,588,761.99, 1,301,380,304.45 and 314,890,453.68
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Solution
The fourth proportional to 867,588,761.99, 1,301,380,304.45 and 314,890,453.68 is: 472,334,650.28
Step by Step Solution
- Step 1: Write the proportion equation
867,588,761.99 : 1,301,380,304.45 = 314,890,453.68 : x - Step 2: Convert to fraction form
867,588,761.99/1,301,380,304.45 = 314,890,453.68/x - Step 3: Cross multiply
867,588,761.99x = 1,301,380,304.45 × 314,890,453.68 - Step 4: Simplify right side
867,588,761.99x = 409,792,234,478,477,056 - Step 5: Solve for x
x = 409,792,234,478,477,056/867,588,761.99 - Step 6: Final answer
x = 472,334,650.28
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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.