Finding the Fourth Proportional to 1,589,797,316.20, 2,193,919,860.90 and 884,934,020.20
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Solution
The fourth proportional to 1,589,797,316.20, 2,193,919,860.90 and 884,934,020.20 is: 1,221,208,705.49
Step by Step Solution
- Step 1: Write the proportion equation
1,589,797,316.20 : 2,193,919,860.90 = 884,934,020.20 : x - Step 2: Convert to fraction form
1,589,797,316.20/2,193,919,860.90 = 884,934,020.20/x - Step 3: Cross multiply
1,589,797,316.20x = 2,193,919,860.90 × 884,934,020.20 - Step 4: Simplify right side
1,589,797,316.20x = 1,941,474,322,502,862,080 - Step 5: Solve for x
x = 1,941,474,322,502,862,080/1,589,797,316.20 - Step 6: Final answer
x = 1,221,208,705.49
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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.