Finding the Fourth Proportional to 657,430,079.76, 985,912,512.66 and 190,994,463.09
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Solution
The fourth proportional to 657,430,079.76, 985,912,512.66 and 190,994,463.09 is: 286,424,118.41
Step by Step Solution
- Step 1: Write the proportion equation
657,430,079.76 : 985,912,512.66 = 190,994,463.09 : x - Step 2: Convert to fraction form
657,430,079.76/985,912,512.66 = 190,994,463.09/x - Step 3: Cross multiply
657,430,079.76x = 985,912,512.66 × 190,994,463.09 - Step 4: Simplify right side
657,430,079.76x = 188,303,831,009,209,536 - Step 5: Solve for x
x = 188,303,831,009,209,536/657,430,079.76 - Step 6: Final answer
x = 286,424,118.41
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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.