Finding the Fourth Proportional to 2,080,128,560.73, 2,870,759,017.65 and 1,140,512,805.99
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Solution
The fourth proportional to 2,080,128,560.73, 2,870,759,017.65 and 1,140,512,805.99 is: 1,574,007,243.76
Step by Step Solution
- Step 1: Write the proportion equation
2,080,128,560.73 : 2,870,759,017.65 = 1,140,512,805.99 : x - Step 2: Convert to fraction form
2,080,128,560.73/2,870,759,017.65 = 1,140,512,805.99/x - Step 3: Cross multiply
2,080,128,560.73x = 2,870,759,017.65 × 1,140,512,805.99 - Step 4: Simplify right side
2,080,128,560.73x = 3,274,137,422,541,097,472 - Step 5: Solve for x
x = 3,274,137,422,541,097,472/2,080,128,560.73 - Step 6: Final answer
x = 1,574,007,243.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.