Finding the Fourth Proportional to 27,217,291,235.70, 40,825,936,853.55 and 21,707,310,947.70
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Solution
The fourth proportional to 27,217,291,235.70, 40,825,936,853.55 and 21,707,310,947.70 is: 32,560,966,421.55
Step by Step Solution
- Step 1: Write the proportion equation
27,217,291,235.70 : 40,825,936,853.55 = 21,707,310,947.70 : x - Step 2: Convert to fraction form
27,217,291,235.70/40,825,936,853.55 = 21,707,310,947.70/x - Step 3: Cross multiply
27,217,291,235.70x = 40,825,936,853.55 × 21,707,310,947.70 - Step 4: Simplify right side
27,217,291,235.70x = 886,221,306,011,174,961,152 - Step 5: Solve for x
x = 886,221,306,011,174,961,152/27,217,291,235.70 - Step 6: Final answer
x = 32,560,966,421.55
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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.