Finding the Fourth Proportional to 5,132,609,268.72, 7,699,783,067.64 and 1,770,267,259.68
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Solution
The fourth proportional to 5,132,609,268.72, 7,699,783,067.64 and 1,770,267,259.68 is: 2,655,700,669.51
Step by Step Solution
- Step 1: Write the proportion equation
5,132,609,268.72 : 7,699,783,067.64 = 1,770,267,259.68 : x - Step 2: Convert to fraction form
5,132,609,268.72/7,699,783,067.64 = 1,770,267,259.68/x - Step 3: Cross multiply
5,132,609,268.72x = 7,699,783,067.64 × 1,770,267,259.68 - Step 4: Simplify right side
5,132,609,268.72x = 13,630,673,871,281,528,832 - Step 5: Solve for x
x = 13,630,673,871,281,528,832/5,132,609,268.72 - Step 6: Final answer
x = 2,655,700,669.51
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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.