Finding the Fourth Proportional to 5,725,900,638.80, 8,588,850,958.20 and 5,312,652,117.20
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Solution
The fourth proportional to 5,725,900,638.80, 8,588,850,958.20 and 5,312,652,117.20 is: 7,968,978,175.80
Step by Step Solution
- Step 1: Write the proportion equation
5,725,900,638.80 : 8,588,850,958.20 = 5,312,652,117.20 : x - Step 2: Convert to fraction form
5,725,900,638.80/8,588,850,958.20 = 5,312,652,117.20/x - Step 3: Cross multiply
5,725,900,638.80x = 8,588,850,958.20 × 5,312,652,117.20 - Step 4: Simplify right side
5,725,900,638.80x = 45,629,577,227,396,472,832 - Step 5: Solve for x
x = 45,629,577,227,396,472,832/5,725,900,638.80 - Step 6: Final answer
x = 7,968,978,175.80
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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.