Finding the Fourth Proportional to 766,040,373.93, 1,149,221,961.50 and 248,430,454.01
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Solution
The fourth proportional to 766,040,373.93, 1,149,221,961.50 and 248,430,454.01 is: 372,698,023.97
Step by Step Solution
- Step 1: Write the proportion equation
766,040,373.93 : 1,149,221,961.50 = 248,430,454.01 : x - Step 2: Convert to fraction form
766,040,373.93/1,149,221,961.50 = 248,430,454.01/x - Step 3: Cross multiply
766,040,373.93x = 1,149,221,961.50 × 248,430,454.01 - Step 4: Simplify right side
766,040,373.93x = 285,501,733,646,719,456 - Step 5: Solve for x
x = 285,501,733,646,719,456/766,040,373.93 - Step 6: Final answer
x = 372,698,023.97
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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.