Finding the Fourth Proportional to 1,581,853,921.28, 2,371,119,908.79 and 532,227,722.74
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Solution
The fourth proportional to 1,581,853,921.28, 2,371,119,908.79 and 532,227,722.74 is: 797,782,736.08
Step by Step Solution
- Step 1: Write the proportion equation
1,581,853,921.28 : 2,371,119,908.79 = 532,227,722.74 : x - Step 2: Convert to fraction form
1,581,853,921.28/2,371,119,908.79 = 532,227,722.74/x - Step 3: Cross multiply
1,581,853,921.28x = 2,371,119,908.79 × 532,227,722.74 - Step 4: Simplify right side
1,581,853,921.28x = 1,261,975,749,404,278,016 - Step 5: Solve for x
x = 1,261,975,749,404,278,016/1,581,853,921.28 - Step 6: Final answer
x = 797,782,736.08
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1.5x scale
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.