Finding the Fourth Proportional to 1,980,170,236.45, 2,970,255,905.07 and 736,438,197.16
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Solution
The fourth proportional to 1,980,170,236.45, 2,970,255,905.07 and 736,438,197.16 is: 1,104,657,500.44
Step by Step Solution
- Step 1: Write the proportion equation
1,980,170,236.45 : 2,970,255,905.07 = 736,438,197.16 : x - Step 2: Convert to fraction form
1,980,170,236.45/2,970,255,905.07 = 736,438,197.16/x - Step 3: Cross multiply
1,980,170,236.45x = 2,970,255,905.07 × 736,438,197.16 - Step 4: Simplify right side
1,980,170,236.45x = 2,187,409,903,833,594,880 - Step 5: Solve for x
x = 2,187,409,903,833,594,880/1,980,170,236.45 - Step 6: Final answer
x = 1,104,657,500.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.