Finding the Fourth Proportional to 1,177,577,877.20, 1,766,366,815.80 and 1,169,515,720.40
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Solution
The fourth proportional to 1,177,577,877.20, 1,766,366,815.80 and 1,169,515,720.40 is: 1,754,273,580.60
Step by Step Solution
- Step 1: Write the proportion equation
1,177,577,877.20 : 1,766,366,815.80 = 1,169,515,720.40 : x - Step 2: Convert to fraction form
1,177,577,877.20/1,766,366,815.80 = 1,169,515,720.40/x - Step 3: Cross multiply
1,177,577,877.20x = 1,766,366,815.80 × 1,169,515,720.40 - Step 4: Simplify right side
1,177,577,877.20x = 2,065,793,759,070,991,104 - Step 5: Solve for x
x = 2,065,793,759,070,991,104/1,177,577,877.20 - Step 6: Final answer
x = 1,754,273,580.60
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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.