Finding the Fourth Proportional to 1,178,844,110.40, 1,768,266,165.60 and 1,047,330,177.60
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Solution
The fourth proportional to 1,178,844,110.40, 1,768,266,165.60 and 1,047,330,177.60 is: 1,570,995,266.40
Step by Step Solution
- Step 1: Write the proportion equation
1,178,844,110.40 : 1,768,266,165.60 = 1,047,330,177.60 : x - Step 2: Convert to fraction form
1,178,844,110.40/1,768,266,165.60 = 1,047,330,177.60/x - Step 3: Cross multiply
1,178,844,110.40x = 1,768,266,165.60 × 1,047,330,177.60 - Step 4: Simplify right side
1,178,844,110.40x = 1,851,958,517,261,918,976 - Step 5: Solve for x
x = 1,851,958,517,261,918,976/1,178,844,110.40 - Step 6: Final answer
x = 1,570,995,266.40
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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.