Finding the Fourth Proportional to 1,458,173,217.36, 2,187,265,500.68 and 352,776,300.44
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Solution
The fourth proportional to 1,458,173,217.36, 2,187,265,500.68 and 352,776,300.44 is: 529,165,823.53
Step by Step Solution
- Step 1: Write the proportion equation
1,458,173,217.36 : 2,187,265,500.68 = 352,776,300.44 : x - Step 2: Convert to fraction form
1,458,173,217.36/2,187,265,500.68 = 352,776,300.44/x - Step 3: Cross multiply
1,458,173,217.36x = 2,187,265,500.68 × 352,776,300.44 - Step 4: Simplify right side
1,458,173,217.36x = 771,615,431,409,934,592 - Step 5: Solve for x
x = 771,615,431,409,934,592/1,458,173,217.36 - Step 6: Final answer
x = 529,165,823.53
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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.