Finding the Fourth Proportional to 1,043,127,177.80, 1,439,201,581.62 and 625,287,005.96
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Solution
The fourth proportional to 1,043,127,177.80, 1,439,201,581.62 and 625,287,005.96 is: 862,707,891.33
Step by Step Solution
- Step 1: Write the proportion equation
1,043,127,177.80 : 1,439,201,581.62 = 625,287,005.96 : x - Step 2: Convert to fraction form
1,043,127,177.80/1,439,201,581.62 = 625,287,005.96/x - Step 3: Cross multiply
1,043,127,177.80x = 1,439,201,581.62 × 625,287,005.96 - Step 4: Simplify right side
1,043,127,177.80x = 899,914,047,944,066,304 - Step 5: Solve for x
x = 899,914,047,944,066,304/1,043,127,177.80 - Step 6: Final answer
x = 862,707,891.33
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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.