Finding the Fourth Proportional to 126,427,312,202.40, 189,565,231,366.08 and 40,240,335,273.12
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Solution
The fourth proportional to 126,427,312,202.40, 189,565,231,366.08 and 40,240,335,273.12 is: 60,336,396,727.99
Step by Step Solution
- Step 1: Write the proportion equation
126,427,312,202.40 : 189,565,231,366.08 = 40,240,335,273.12 : x - Step 2: Convert to fraction form
126,427,312,202.40/189,565,231,366.08 = 40,240,335,273.12/x - Step 3: Cross multiply
126,427,312,202.40x = 189,565,231,366.08 × 40,240,335,273.12 - Step 4: Simplify right side
126,427,312,202.40x = 7,628,168,466,297,622,888,448 - Step 5: Solve for x
x = 7,628,168,466,297,622,888,448/126,427,312,202.40 - Step 6: Final answer
x = 60,336,396,727.99
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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.