Finding the Fourth Proportional to 5,457,951,347.15, 7,531,972,800.74 and 2,951,825,058.93
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Solution
The fourth proportional to 5,457,951,347.15, 7,531,972,800.74 and 2,951,825,058.93 is: 4,073,518,549.78
Step by Step Solution
- Step 1: Write the proportion equation
5,457,951,347.15 : 7,531,972,800.74 = 2,951,825,058.93 : x - Step 2: Convert to fraction form
5,457,951,347.15/7,531,972,800.74 = 2,951,825,058.93/x - Step 3: Cross multiply
5,457,951,347.15x = 7,531,972,800.74 × 2,951,825,058.93 - Step 4: Simplify right side
5,457,951,347.15x = 22,233,066,056,401,891,328 - Step 5: Solve for x
x = 22,233,066,056,401,891,328/5,457,951,347.15 - Step 6: Final answer
x = 4,073,518,549.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.