Finding the Fourth Proportional to 965,458,154.80, 1,448,187,232.20 and 868,712,273.20
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Solution
The fourth proportional to 965,458,154.80, 1,448,187,232.20 and 868,712,273.20 is: 1,303,068,409.80
Step by Step Solution
- Step 1: Write the proportion equation
965,458,154.80 : 1,448,187,232.20 = 868,712,273.20 : x - Step 2: Convert to fraction form
965,458,154.80/1,448,187,232.20 = 868,712,273.20/x - Step 3: Cross multiply
965,458,154.80x = 1,448,187,232.20 × 868,712,273.20 - Step 4: Simplify right side
965,458,154.80x = 1,258,058,022,503,678,464 - Step 5: Solve for x
x = 1,258,058,022,503,678,464/965,458,154.80 - Step 6: Final answer
x = 1,303,068,409.80
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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.