Finding the Fourth Proportional to 451,823,689.98, 674,692,947.23 and 368,989,765.88
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Solution
The fourth proportional to 451,823,689.98, 674,692,947.23 and 368,989,765.88 is: 550,999,866.00
Step by Step Solution
- Step 1: Write the proportion equation
451,823,689.98 : 674,692,947.23 = 368,989,765.88 : x - Step 2: Convert to fraction form
451,823,689.98/674,692,947.23 = 368,989,765.88/x - Step 3: Cross multiply
451,823,689.98x = 674,692,947.23 × 368,989,765.88 - Step 4: Simplify right side
451,823,689.98x = 248,954,792,634,066,496 - Step 5: Solve for x
x = 248,954,792,634,066,496/451,823,689.98 - Step 6: Final answer
x = 550,999,866.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.