Finding the Fourth Proportional to 451,823,707.80, 674,692,973.81 and 368,989,783.68
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Solution
The fourth proportional to 451,823,707.80, 674,692,973.81 and 368,989,783.68 is: 550,999,892.57
Step by Step Solution
- Step 1: Write the proportion equation
451,823,707.80 : 674,692,973.81 = 368,989,783.68 : x - Step 2: Convert to fraction form
451,823,707.80/674,692,973.81 = 368,989,783.68/x - Step 3: Cross multiply
451,823,707.80x = 674,692,973.81 × 368,989,783.68 - Step 4: Simplify right side
451,823,707.80x = 248,954,814,456,567,776 - Step 5: Solve for x
x = 248,954,814,456,567,776/451,823,707.80 - Step 6: Final answer
x = 550,999,892.57
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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.