Finding the Fourth Proportional to 712,181,244.80, 1,068,271,867.20 and 528,515,235.20
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Solution
The fourth proportional to 712,181,244.80, 1,068,271,867.20 and 528,515,235.20 is: 792,772,852.80
Step by Step Solution
- Step 1: Write the proportion equation
712,181,244.80 : 1,068,271,867.20 = 528,515,235.20 : x - Step 2: Convert to fraction form
712,181,244.80/1,068,271,867.20 = 528,515,235.20/x - Step 3: Cross multiply
712,181,244.80x = 1,068,271,867.20 × 528,515,235.20 - Step 4: Simplify right side
712,181,244.80x = 564,597,957,150,751,168 - Step 5: Solve for x
x = 564,597,957,150,751,168/712,181,244.80 - Step 6: Final answer
x = 792,772,852.80
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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.