Finding the Fourth Proportional to 86,814,407,260.80, 130,221,610,891.20 and 27,926,492,932.80
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Solution
The fourth proportional to 86,814,407,260.80, 130,221,610,891.20 and 27,926,492,932.80 is: 41,889,739,399.20
Step by Step Solution
- Step 1: Write the proportion equation
86,814,407,260.80 : 130,221,610,891.20 = 27,926,492,932.80 : x - Step 2: Convert to fraction form
86,814,407,260.80/130,221,610,891.20 = 27,926,492,932.80/x - Step 3: Cross multiply
86,814,407,260.80x = 130,221,610,891.20 × 27,926,492,932.80 - Step 4: Simplify right side
86,814,407,260.80x = 3,636,632,896,250,928,168,960 - Step 5: Solve for x
x = 3,636,632,896,250,928,168,960/86,814,407,260.80 - Step 6: Final answer
x = 41,889,739,399.20
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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.